Compare 157989 vs 157999
| Property | 157989 | 157999 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 131 × 40511 | 1579991 |
| Prime factorization | 3 × 13 × 4051 | 157999 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 13, 39, 4051, 12153, 52663, 157989 | 1, 157999 |
| Number of properties | 0 | 5 |
| Chen primes | 6196th | |
| Cousin primes (1st member) | 1763rd | |
| Harmonic primes | 5443rd | |
| Isolated primes | 10952nd | |
| Primes | 14521st | |
| Roman numberals | ||
| Base 2 | 1001101001001001012 | 1001101001001011112 |
| Base 3 | 220002011103 | 220002012113 |
| Base 4 | 2122102114 | 2122102334 |
| Base 5 | 200234245 | 200234445 |
| Base 6 | 32152336 | 32152516 |
| Base 7 | 12254167 | 12254327 |
| Base 8 | 4644458 | 4644578 |
| Base 9 | 2606439 | 2606549 |
| Base 10 | 15798910 | 15799910 |
| Base 11 | a877711 | a878611 |
| Base 12 | 7751912 | 7752712 |
| Base 13 | 56bb013 | 56bba13 |
| Base 14 | 4180d14 | 4181914 |
| Base 15 | 31c2915 | 31c3415 |
| Base 16 | 2692516 | 2692f16 |