Compare 145978 vs 145987
| Property | 145978 | 145987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 104271 | 1459871 |
| Prime factorization | 2 × 7 × 10427 | 145987 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 10427, 20854, 72989, 145978 | 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 | 1000111010001110102 | 1000111010010000112 |
| Base 3 | 211020201213 | 211020202213 |
| Base 4 | 2032203224 | 2032210034 |
| Base 5 | 141324035 | 141324225 |
| Base 6 | 30434546 | 30435116 |
| Base 7 | 11454107 | 11454227 |
| Base 8 | 4350728 | 4351038 |
| Base 9 | 2422179 | 2422279 |
| Base 10 | 14597810 | 14598710 |
| Base 11 | 9a74811 | 9a75611 |
| Base 12 | 7058a12 | 7059712 |
| Base 13 | 515a113 | 515aa13 |
| Base 14 | 3b2b014 | 3b2b914 |
| Base 15 | 2d3bd15 | 2d3c715 |
| Base 16 | 23a3a16 | 23a4316 |