Compare 19891 vs 19894
Property | 19891 | 19894 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 5 |
Prime factorization | 198911 | 21 × 73 × 291 |
Prime factorization | 19891 | 2 × 7 × 7 × 7 × 29 |
Divisors count | 2 | 16 |
Divisors | 1, 19891 | 1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 686, 1421, 2842, 9947, 19894 |
Number of properties | 4 | 0 |
Harmonic primes | 815th | |
Palindromic primes | 45th | |
Primes | 2250th | |
Twin primes (2nd member) | 340th | |
Roman numberals | ||
Base 2 | 1001101101100112 | 1001101101101102 |
Base 3 | 10000212013 | 10000212113 |
Base 4 | 103123034 | 103123124 |
Base 5 | 11140315 | 11140345 |
Base 6 | 2320316 | 2320346 |
Base 7 | 1116647 | 1120007 |
Base 8 | 466638 | 466668 |
Base 9 | 302519 | 302549 |
Base 10 | 1989110 | 1989410 |
Base 11 | 13a4311 | 13a4611 |
Base 12 | b61712 | b61a12 |
Base 13 | 909113 | 909413 |
Base 14 | 736b14 | 737014 |
Base 15 | 5d6115 | 5d6415 |
Base 16 | 4db316 | 4db616 |