# Digits (Numeric) Palindromes

Digits, or numeric, palindromes are sat numbers that are the same backwards and forwards.  A simple palindrome would be 12321, but most palindromes we will find are either 15 or 16 digits long.

These palindromes actually become more rare as time goes on due to most bitcoin being created early.  Each time bitcoin halves the palindromes created each day are also cut by half.  In 2023 there will be approximately 350,000 palindromes created, but by 2025 it will drop to just over 200,000 and it will keep decreasing every few years as the bitcoin created drops.

## Palindrome Types

**Palinception**: A satoshi ID which is a palindrome containing at least two subsequences which are themselves palindromes made of at least 2 distinct digits. (does not require the entire palindrome to be made of smaller palindromes).

* 9**121**456654**121**9
* 85**1221**4334**1221**58

**Pure Palinception**: A satoshi ID which is a palindrome made entirely of subsequences which are themselves palindromes made of at least 2 distinct digits. (all numbers form a part of a smaller palindrome within the larger palindrome)

* **121**343**565**343**121**
* **12221**345543**12221**

**Perfect Palinception**: A satoshi ID which is a palindrome made entirely of the same repeated subsequence which is itself a palindrome made of at least 2 distinct digits.

* **1221**12211221**1221**
* 1234432112344321

**2D / 3D Palindromes:** Ones consisting of only 2 or 3 numbers.

* 2D - 1111221221221111
* 3D - 112111331112111


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