Compare 21121 vs 21221
Property | 21121 | 21221 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 211211 | 212211 |
Prime factorization | 21121 | 21221 |
Divisors count | 2 | 2 |
Divisors | 1, 21121 | 1, 21221 |
Number of properties | 4 | 6 |
Additive primes | 1102nd | |
Chen primes | 1172nd | |
Isolated primes | 1655th | 1665th |
Primes | 2374th | 2386th |
Pythagorean primes | 1179th | 1184th |
Sexy primes (1st member) | 723rd | |
Sophie germain primes | 346th | |
Roman numberals | ||
Base 2 | 1010010100000012 | 1010010111001012 |
Base 3 | 10012220213 | 10020022223 |
Base 4 | 110220014 | 110232114 |
Base 5 | 11334415 | 11343415 |
Base 6 | 2414416 | 2421256 |
Base 7 | 1154027 | 1156047 |
Base 8 | 512018 | 513458 |
Base 9 | 318679 | 320889 |
Base 10 | 2112110 | 2122110 |
Base 11 | 1496111 | 14a4211 |
Base 12 | 1028112 | 1034512 |
Base 13 | 97c913 | 987513 |
Base 14 | 79a914 | 7a3b14 |
Base 15 | 63d115 | 644b15 |
Base 16 | 528116 | 52e516 |