RNGdle

Palindrome Numbers

The same story told forwards and backwards.

What is it?

A palindrome number reads identically left-to-right and right-to-left — 121, 9009, 738837. The digits mirror around the center, which makes palindromes one of the oldest and most loved number patterns. In RNGdle, palindromes of 2 digits or more count; single digits are trivially palindromic and get no credit.

  • Exact matches1,989
  • Odds1 in 503
  • Out of1,000,001

How it scores

Scoring is pure information theory: the rarer the trait, the more bits it earns. Palindromes make up roughly 0.2% of the range, so hitting one adds a solid chunk of score before any decay.

The formula: -log2(count / 1,000,001) bits per trait, capped at 20, summed with 0.5 decay per additional trait.

Highest-scoring palindrome numbers

  1. 999,999score 32.7 · Mythic
  2. 666score 31.2 · Mythic
  3. 777score 30.4 · Mythic
  4. 55score 26.3 · Mythic
  5. 111,111score 26.1 · Mythic
  6. 888,888score 26.1 · Mythic
  7. 1,111score 25.8 · Mythic
  8. 222,222score 25.8 · Mythic
  9. 333,333score 25.8 · Mythic
  10. 666,666score 25.8 · Mythic

Related patterns

FAQ

Is 7 a palindrome?

Technically yes, but every single digit reads the same backwards, so RNGdle only scores palindromes with 2 or more digits.

What is the largest palindrome in the game?

999999 — six nines, which is also a repdigit and an ABAB pattern, making it one of the highest-scoring numbers in the whole range.

How many palindrome numbers are there between 0 and 1,000,000?

Exactly 1,989 of them, out of 1,000,001 numbers — about 1 in 503.