Compare 21211 vs 21221
Property | 21211 | 21221 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 212111 | 212211 |
Prime factorization | 21211 | 21221 |
Divisors count | 2 | 2 |
Divisors | 1, 21211 | 1, 21221 |
Number of properties | 5 | 6 |
Additive primes | 1108th | |
Chen primes | 1172nd | |
Isolated primes | 1664th | 1665th |
Long primes | 906th | |
Lucky primes | 388th | |
Primes | 2385th | 2386th |
Pythagorean primes | 1184th | |
Sexy primes (1st member) | 723rd | |
Sophie germain primes | 346th | |
Roman numberals | ||
Base 2 | 1010010110110112 | 1010010111001012 |
Base 3 | 10020021213 | 10020022223 |
Base 4 | 110231234 | 110232114 |
Base 5 | 11343215 | 11343415 |
Base 6 | 2421116 | 2421256 |
Base 7 | 1155617 | 1156047 |
Base 8 | 513338 | 513458 |
Base 9 | 320779 | 320889 |
Base 10 | 2121110 | 2122110 |
Base 11 | 14a3311 | 14a4211 |
Base 12 | 1033712 | 1034512 |
Base 13 | 986813 | 987513 |
Base 14 | 7a3114 | 7a3b14 |
Base 15 | 644115 | 644b15 |
Base 16 | 52db16 | 52e516 |