Compare 157639 vs 157931
| Property | 157639 | 157931 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1576391 | 1579311 |
| Prime factorization | 157639 | 157931 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157639 | 1, 157931 |
| Number of properties | 5 | 5 |
| Additive primes | 5953rd | |
| Chen primes | 6195th | |
| Harmonic primes | 5428th | 5440th |
| Long primes | 5422nd | |
| Lucky primes | 1872nd | |
| Primes | 14493rd | 14517th |
| Twin primes (1st member) | 1785th | |
| Twin primes (2nd member) | 1782nd | |
| Roman numberals | ||
| Base 2 | 1001100111110001112 | 1001101000111010112 |
| Base 3 | 220000201113 | 220001220223 |
| Base 4 | 2121330134 | 2122032234 |
| Base 5 | 200210245 | 200232115 |
| Base 6 | 32134516 | 32150556 |
| Base 7 | 12244067 | 12253047 |
| Base 8 | 4637078 | 4643538 |
| Base 9 | 2602149 | 2605689 |
| Base 10 | 15763910 | 15793110 |
| Base 11 | a848911 | a872411 |
| Base 12 | 7728712 | 7748b12 |
| Base 13 | 569a113 | 56b6713 |
| Base 14 | 4163d14 | 417ab14 |
| Base 15 | 31a9415 | 31bdb15 |
| Base 16 | 267c716 | 268eb16 |