Compare 101919 vs 101921
| Property | 101919 | 101921 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 531 × 6411 | 1019211 |
| Prime factorization | 3 × 53 × 641 | 101921 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 53, 159, 641, 1923, 33973, 101919 | 1, 101921 |
| Number of properties | 0 | 7 |
| Chen primes | 4295th | |
| Cousin primes (2nd member) | 1236th | |
| Harmonic primes | 3690th | |
| Isolated primes | 7282nd | |
| Primes | 9759th | |
| Pythagorean primes | 4870th | |
| Sophie germain primes | 1190th | |
| Roman numberals | ||
| Base 2 | 110001110000111112 | 110001110001000012 |
| Base 3 | 120112102103 | 120112102123 |
| Base 4 | 1203201334 | 1203202014 |
| Base 5 | 112301345 | 112301415 |
| Base 6 | 21035036 | 21035056 |
| Base 7 | 6030667 | 6031017 |
| Base 8 | 3070378 | 3070418 |
| Base 9 | 1647239 | 1647259 |
| Base 10 | 10191910 | 10192110 |
| Base 11 | 6a63411 | 6a63611 |
| Base 12 | 4ab9312 | 4ab9512 |
| Base 13 | 3750c13 | 3751113 |
| Base 14 | 291dd14 | 2920114 |
| Base 15 | 202e915 | 202eb15 |
| Base 16 | 18e1f16 | 18e2116 |