Compare 19886 vs 19891
Property | 19886 | 19891 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 3 | 1 |
Prime factorization | 21 × 611 × 1631 | 198911 |
Prime factorization | 2 × 61 × 163 | 19891 |
Divisors count | 8 | 2 |
Divisors | 1, 2, 61, 122, 163, 326, 9943, 19886 | 1, 19891 |
Number of properties | 0 | 4 |
Harmonic primes | 815th | |
Palindromic primes | 45th | |
Primes | 2250th | |
Twin primes (2nd member) | 340th | |
Roman numberals | ||
Base 2 | 1001101101011102 | 1001101101100112 |
Base 3 | 10000211123 | 10000212013 |
Base 4 | 103122324 | 103123034 |
Base 5 | 11140215 | 11140315 |
Base 6 | 2320226 | 2320316 |
Base 7 | 1116567 | 1116647 |
Base 8 | 466568 | 466638 |
Base 9 | 302459 | 302519 |
Base 10 | 1988610 | 1989110 |
Base 11 | 13a3911 | 13a4311 |
Base 12 | b61212 | b61712 |
Base 13 | 908913 | 909113 |
Base 14 | 736614 | 736b14 |
Base 15 | 5d5b15 | 5d6115 |
Base 16 | 4dae16 | 4db316 |