1in1mWhy?

Premium numbers

Every spot costs $5.00. A few are worth more — because they are easier to remember, harder to get, or simply first.

3,514 of the numbers below are still unclaimed.

Find your date

A birthday, an anniversary, the day you got the dog. Enter it and we'll show you the number it makes.

The Founder 100

$50.00100 of 100 available

Number 99, then every ten-thousandth after it. Exactly one hundred exist.

Two-digit numbers

$100.0033 of 33 available

The short numbers, 11 to 49, that no stronger pattern has claimed. 1 to 10 are never sold, and 50 to 98 are given, not bought.

Milestones

$500.0010 of 10 available

Every hundred-thousandth spot.

Straight runs

$100.0048 of 48 available

Consecutive digits, up or down. 12345, 654321, 43210. All 48 of them.

Famous constants

$100.0010 of 10 available

Pi, e, root two, the golden ratio, the speed of light. If you know, you know.

Repdigits

$50.0035 of 36 available

All the same digit. Easy to say, easy to remember, hard to get.

Binary

$75.0055 of 56 available

Nothing but ones and zeroes. All 56 of them.

Powers of two

$75.0015 of 15 available

Every power of two on the wall, from 16 to 524288.

Fibonacci

$75.0021 of 21 available

Each one the sum of the two before it.

Round numbers

$50.0088 of 88 available

Every ten-thousandth spot that is not a milestone. All 88 of them.

Years

$50.00200 of 200 available

1900 to 2100. Yours is in here somewhere.

Palindromes

$20.001,933 of 1,933 available

Reads the same both ways: 727, 1221, 45654, 218812. All 1,933 of them.

Repeating patterns

$20.00966 of 966 available

A block that repeats: 1212, 121212, 123123. All 966 of them.

Looking for one number in particular? Search for it from the wall. Numbers 1 to 10 are never sold here — they are auctioned separately.