Compare 21729 vs 21737
Property | 21729 | 21737 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 31 × 72431 | 217371 |
Prime factorization | 3 × 7243 | 21737 |
Divisors count | 4 | 2 |
Divisors | 1, 3, 7243, 21729 | 1, 21737 |
Number of properties | 1 | 6 |
Chen primes | 1197th | |
Harmonic primes | 897th | |
Long primes | 923rd | |
Primes | 2438th | |
Pythagorean primes | 1211th | |
Semiprimes | 5491st | |
Twin primes (1st member) | 371st | |
Roman numberals | ||
Base 2 | 1010100111000012 | 1010100111010012 |
Base 3 | 10022102103 | 10022110023 |
Base 4 | 111032014 | 111032214 |
Base 5 | 11434045 | 11434225 |
Base 6 | 2443336 | 2443456 |
Base 7 | 1202317 | 1202427 |
Base 8 | 523418 | 523518 |
Base 9 | 327239 | 327329 |
Base 10 | 2172910 | 2173710 |
Base 11 | 1536411 | 1537111 |
Base 12 | 106a912 | 106b512 |
Base 13 | 9b7613 | 9b8113 |
Base 14 | 7cc114 | 7cc914 |
Base 15 | 668915 | 669215 |
Base 16 | 54e116 | 54e916 |