How rare is 121?
121
Rarity score21.3
MythicRarer than 100% of all numbers
- Digit sum 41 in 7,937 · +13.0 bits
- Perfect square1 in 999 · +10.0 bits
- Palindrome1 in 503 · +9.0 bits
- Two distinct digits1 in 220 · +7.8 bits
- Semiprime1 in 5 · +2.3 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.