Compare 21881 vs 21997
Property | 21881 | 21997 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 218811 | 219971 |
Prime factorization | 21881 | 21997 |
Divisors count | 2 | 2 |
Divisors | 1, 21881 | 1, 21997 |
Number of properties | 4 | 8 |
Chen primes | 1204th | 1209th |
Isolated primes | 1712th | 1721st |
Left-truncatable primes | 173rd | |
Primes | 2455th | 2464th |
Pythagorean primes | 1217th | 1223rd |
Sexy primes (1st member) | 743rd | |
Sexy primes (2nd member) | 742nd | |
Sexy prime triplets (2nd member) | 202nd | |
Roman numberals | ||
Base 2 | 1010101011110012 | 1010101111011012 |
Base 3 | 10100001023 | 10100112013 |
Base 4 | 111113214 | 111132314 |
Base 5 | 12000115 | 12004425 |
Base 6 | 2451456 | 2455016 |
Base 7 | 1205367 | 1210637 |
Base 8 | 525718 | 527558 |
Base 9 | 330129 | 331519 |
Base 10 | 2188110 | 2199710 |
Base 11 | 1549211 | 1558811 |
Base 12 | 107b512 | 1089112 |
Base 13 | 9c6213 | a02113 |
Base 14 | 7d8d14 | 803314 |
Base 15 | 673b15 | 67b715 |
Base 16 | 557916 | 55ed16 |