How rare is 13?
13
Rarity score22.9
MythicRarer than 100% of all numbers
- Fibonacci number1 in 33,333 · +15.0 bits
- Digit sum 41 in 7,937 · +13.0 bits
- Prime1 in 13 · +3.7 bits
- Happy number1 in 7 · +2.8 bits
- First < last1 in 3 · +1.3 bits
- Zero-free1 in 2 · +0.7 bits
- Digit sum
- 4
- Digital root
- 4
- Parity
- Odd
What does that mean?
Scores are computed from exact trait counts across all 1,000,001 numbers from 0 to 1,000,000 — see the scoring formula and the pattern library for the traits behind this number.