Compare 21143 vs 21154
Property | 21143 | 21154 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 3 |
Prime factorization | 211431 | 21 × 71 × 15111 |
Prime factorization | 21143 | 2 × 7 × 1511 |
Divisors count | 2 | 8 |
Divisors | 1, 21143 | 1, 2, 7, 14, 1511, 3022, 10577, 21154 |
Number of properties | 9 | 0 |
Additive primes | 1103rd | |
Chen primes | 1167th | |
Cousin primes (2nd member) | 360th | |
Happy primes | 393rd | |
Harmonic primes | 873rd | |
Isolated primes | 1657th | |
Long primes | 903rd | |
Primes | 2376th | |
Sexy primes (1st member) | 719th | |
Roman numberals | ||
Base 2 | 1010010100101112 | 1010010101000102 |
Base 3 | 10020000023 | 10020001113 |
Base 4 | 110221134 | 110222024 |
Base 5 | 11340335 | 11341045 |
Base 6 | 2415156 | 2415346 |
Base 7 | 1154337 | 1154507 |
Base 8 | 512278 | 512428 |
Base 9 | 320029 | 320149 |
Base 10 | 2114310 | 2115410 |
Base 11 | 1498111 | 1499111 |
Base 12 | 1029b12 | 102aa12 |
Base 13 | 981513 | 982313 |
Base 14 | 79c314 | 79d014 |
Base 15 | 63e815 | 640415 |
Base 16 | 529716 | 52a216 |