Compare 145979 vs 145987
| Property | 145979 | 145987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 171 × 311 × 2771 | 1459871 |
| Prime factorization | 17 × 31 × 277 | 145987 |
| Divisors count | 8 | 2 |
| Divisors | 1, 17, 31, 277, 527, 4709, 8587, 145979 | 1, 145987 |
| Number of properties | 0 | 6 |
| Cousin primes (1st member) | 1660th | |
| Happy primes | 2122nd | |
| Harmonic primes | 5072nd | |
| Isolated primes | 10189th | |
| Primes | 13506th | |
| Ulam primes | 958th | |
| Roman numberals | ||
| Base 2 | 1000111010001110112 | 1000111010010000112 |
| Base 3 | 211020201223 | 211020202213 |
| Base 4 | 2032203234 | 2032210034 |
| Base 5 | 141324045 | 141324225 |
| Base 6 | 30434556 | 30435116 |
| Base 7 | 11454117 | 11454227 |
| Base 8 | 4350738 | 4351038 |
| Base 9 | 2422189 | 2422279 |
| Base 10 | 14597910 | 14598710 |
| Base 11 | 9a74911 | 9a75611 |
| Base 12 | 7058b12 | 7059712 |
| Base 13 | 515a213 | 515aa13 |
| Base 14 | 3b2b114 | 3b2b914 |
| Base 15 | 2d3be15 | 2d3c715 |
| Base 16 | 23a3b16 | 23a4316 |