Five
In the Prime World, numbers did not sit quietly on pages.
They walked. They ate breakfast. They argued. They visited friends. They grew tails. They lost ears. And sometimes they became completely different numbers before dinner.
At the edge of the Prime Village lived a small creature named Five.
Five had a head of 2, a body of 2, and a tail of 1.
2 + 2 + 1 = 5
Five was small, quick, and very pleased with his tail.
His mother was Seven. She had a head of 2, a body of 2, and a tail of 3.
Five often walked behind her and watched the large 3-tail sway.
“Will my tail ever grow like yours?”
Mother looked at his little tail.
“When it has somewhere to go,” she said.
Father was Eleven. He had a head of 2, a body of 2, a tail of 3, and two ears of 2.
Father was very proud of his ears. He almost never used them.
Whenever Mother began to speak, Father said: “I agree.”
“You haven’t heard me yet,” Mother said.
“I know.”
Then Father dropped both ears.
At dinner Mother was Seven. Father was Seven. Five was Five.
7 + 7 + 5 = 19
Prime.
Before Father dropped his ears, they had been:
7 + 11 + 5 = 23
Also prime.
Five sometimes wondered why the room felt different anyway.
Another Five
Sometimes another Five came over to play.
Two Fives together were:
5 + 5 = 10
Mother stayed nearby.
“Mother,” Five complained, “you don’t have to watch us.”
“I’m not watching you.”
“You are looking directly at us.”
“I’m looking at Seventeen.”
Because:
5 + 5 + 7 = 17
Prime.
The two Fives went back to building towers.
Mother stayed where she was.
Mother Grows
One morning Five noticed that Mother was changing.
Her head was still 2. Her body was still 2. Her tail was still 3.
But something new had appeared.
Mother touched the roundness of her belly.
Five counted carefully.
2 + 2 + 3 + 1 = 8
“So you are Eight now?”
Mother nodded.
“And who is inside?”
Mother smiled. “Five.”
Mother Eight was carrying Baby Five.
Together:
8 + 5 = 13
Prime.
Five sat beside her for a long time.
He had never before seen one number carrying another.
The New Five
After some time, Baby Five was born.
The extra 1 that had rounded Mother’s body was no longer part of her.
Mother became Seven again.
And beside her was a new Five.
Now there were two Fives in the house.
The first Five became the older brother.
At first he did not feel different.
He still had: 2 for a head, 2 for a body, 1 for a tail.
2 + 2 + 1 = 5
Still Five.
Mother and Father Go Out
One evening Mother and Father prepared to go out.
Mother stood before the mirror. At home she was Seven.
She placed a small Going-Out Hat of 1 on her head.
7 + 1 = 8
Now she was Eight.
Five frowned. “You were prime before.”
“Yes.”
“Now you’re not.”
“No.”
Five looked at Father. Father was Eleven. Mother was Eight.
Five looked back at Mother. She adjusted the hat.
“It suits us,” she said.
Father looked at her. “I agree.”
“You haven’t even looked.”
“I know.”
Mother and Father walked toward the door.
Mother was Eight. Father was Eleven. Together they were Nineteen.
8 + 11 = 19
Prime.
The Older Brother
The door closed.
The older Five looked at Baby Five. Baby Five reached toward him.
The older Five looked down at his little tail.
Then something happened.
His tail grew by 1.
5 + 1 = 6
He was Six. Not prime.
For a moment he stood very still.
Then he sat beside Baby Five.
6 + 5 = 11
Prime.
When Mother and Father returned, Mother noticed the longer tail immediately.
“So,” she said.
The older brother looked at it.
“It found somewhere to go.”
Mother smiled.
Twenty-Nine
Life with four creatures was different.
At first Mother wore her Household Hat of 1 every day.
Mother became Eight. Father stayed Eleven. Older Brother stayed Five. Baby stayed Five.
8 + 11 + 5 + 5 = 29
Prime.
Breakfast was prime. Lunch was prime. Dinner was prime. The shopping was prime. The laundry was prime. The missing socks were apparently prime too.
Everything was prime.
Mother was tired.
One evening she put down her spoon. “This is unfair.”
Father said: “I agree.”
Mother looked at his ears. Father slowly raised them.
Mother said: “Being prime is not enough.”
Twenty-nine remained prime. Nothing happened to it.
Mother looked at Father. Father looked at the Household Hat.
Then he put one on.
Father stood in front of the mirror. “This feels strange.”
“Yes,” Mother said.
“Twelve?”
“Twelve.”
“Still me?”
Mother looked at him. “Yes. In my eyes.”
Across the table, the older brother looked at the baby. His tail grew again.
Now Father was 12. Mother was 8. Older Brother was 6. Baby was 5.
12 + 8 + 6 + 5 = 31
Thirty-one.
Prime.
Nobody spoke for a moment.
Baby threw a pea onto the floor.
Father looked at the pea. Mother looked at Father. Older Brother looked at Father.
Father sighed. He bent down and picked it up. His hat stayed on.
Thirty-one stayed prime.
Other Houses
Not every family in the Prime Village was built like theirs.
Across the square lived Four and Nine.
Four was not prime. Nine was not prime.
But together:
4 + 9 = 13
Prime.
They went almost everywhere together. To the market together. To the river together. To concerts together. To visit friends together.
People often said: “What a wonderfully united family.”
And they were.
But when Four went somewhere alone, Four was still Four. When Nine stayed home alone, Nine was still Nine.
Their primality lived mostly between them.
Five found this very interesting.
In his own family, sometimes one creature stayed prime while another changed. In the house of Four and Nine, neither was prime alone. Yet together they made Thirteen.
The Prime Village had many kinds of doors.
And many kinds of numbers lived behind them.
Six
One of Five’s friends was Six.
Six was not prime. Five liked him very much.
The first time Six came over, Five called: “Mother! Are you watching us?”
Mother appeared in the doorway.
Five stood beside Six. She counted.
5 + 6 = 11
Mother raised her eyebrows. “No,” she said.
“No?”
“No.”
“You aren’t going to watch?”
Mother smiled. “Apparently Eleven can manage.”
Then she went back inside.
Five and Six stared at each other.
They were unsupervised.
This felt enormous.
The Eleven Gate
Prime Village had more than one gate.
Five and Six often played near the small Eleven Gate. It was the perfect gate for them.
When they stood together:
5 + 6 = 11
Prime.
Beyond the Eleven Gate stretched the Open Field. Numbers were marked across it. Some were close. Some were far apart. Some were prime. Some were not.
Five could jump by Fives. Six could jump by Sixes. They could jump one of themselves. Or two. Or three. Or more.
They liked to land on primes. That was the game.
One morning Six said: “I’ll lead.”
And they passed through the Eleven Gate.
The Open Field
They began at Eleven.
Six jumped.
11 + 6 = 17
Prime.
Again.
17 + 6 = 23
Prime.
Again.
23 + 6 = 29
Prime.
Then Six made a bigger jump. Two Sixes.
29 + 6 + 6 = 41
Prime.
Another Six.
41 + 6 = 47
Prime.
Another double jump.
47 + 6 + 6 = 59
Prime.
They laughed. They had never gone so far.
Then they looked back.
The Eleven Gate was very small behind them.
The River
Ahead was a river. The next prime on the other side was 61.
Five counted. Six counted. They counted again.
From 59 to 61 was only:
61 − 59 = 2
Five could jump by Fives. Six could jump by Sixes. Neither could jump by 2.
The sun was already lowering.
“We’ve gone very far,” Five said.
Six looked at the river.
They could not go backward. The game only moved forward.
Six looked at Five. “I need your head.”
Five touched his 2-head. “My head?”
“Your 2.”
Without his head, Five would be:
5 − 2 = 3
Three was prime.
Five looked at the water. Then at Six.
“All right.”
Five carefully removed his 2-head. They laid the 2 across the narrowest place in the river.
A bridge.
Six crossed first.
59 + 2 = 61
Prime.
Five remained behind as Three. He looked at his own 2 lying across the water.
Then Three crossed carefully over the bridge that had once been his head.
Now both friends stood on the far bank.
Five reached back, pulled the 2 toward himself, and put it where it belonged.
Five was Five again.
They continued.
Farther
Six led once more.
61 + 6 = 67
Prime.
Again.
67 + 6 = 73
Prime.
Again.
73 + 6 = 79
Prime.
Then Six stopped. His legs were shaking.
“I’m tired.”
The sky was turning purple.
Five looked into the distance. Mother would be worried.
“I’ll lead.”
Six nodded.
Five looked ahead. Then he jumped twice his own number.
79 + 5 + 5 = 89
Prime.
The two friends landed together.
But now they were very far from the Eleven Gate.
And the Prime Village was still ahead.
The Hundred-and-One Gate
At the far side of the field stood another entrance to the Prime Village. The Hundred-and-One Gate.
Home was at: 101.
Five and Six stood at 89. The village lamps were beginning to glow beyond the gate.
From 89 to 101 was:
101 − 89 = 12
Five could jump by Fives. Six could jump by Sixes.
Six was exhausted. Five was worried.
But one of them could still make the final leap.
They stood together at 89. The night grew darker.
Somewhere beyond the Hundred-and-One Gate, Mother Seven was probably already standing at the door.
Five whispered: “We have to get home.”
Six looked toward 101.
DEAR READER — Who should jump? Five can jump by Fives. Six can jump by Sixes. They are standing at 89. Home is at 101. Who can make the jump?
I know!
Six.
The Last Great Leap Home
But he was very tired.
Five knew how to help. He had done it before for his little brother.
So Five grew one more part of his tail and became Six too.
5 + 1 = 6
And together, as two Sixes, they made the last great leap home.
89 + 6 + 6 = 101
They landed inside Prime Village. The lamps were glowing.
Mother was standing at the door.
Five ran toward her. Six followed more slowly.
Mother looked at them. Then at the dark field behind them. Then toward the river. Then she looked very carefully at Five’s head.
“Did anything happen to this?”
Five touched his 2-head. “It was a bridge.”
Mother closed her eyes. For a moment she said nothing.
Father appeared behind her. “I agree,” he said.
Mother opened her eyes. “With what?”
“I’ll decide when you tell me.”
Five and Six began to laugh.
They were home. At 101.
Prime.
Prime Village at Night
That night, after everyone was asleep, Prime Village became quiet.
Behind one door lived Seven, Eleven, Five, and Five. Behind another lived Four and Nine.
Some creatures were prime alone. Some became prime together. Some changed when someone needed them. Some stayed exactly as they were.
Some crossed rivers. Some became bridges. Some led. Some followed.
And sometimes the only way home was to understand whose jump it was.
The numbers did not explain themselves. They simply lived.
And if you stayed long enough in Prime Village, you began to feel where they might go next.