Compare 142981 vs 143509
| Property | 142981 | 143509 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1429811 | 1435091 |
| Prime factorization | 142981 | 143509 |
| Divisors count | 2 | 2 |
| Divisors | 1, 142981 | 1, 143509 |
| Number of properties | 6 | 8 |
| Chen primes | 5726th | |
| Cousin primes (1st member) | 1640th | |
| Happy primes | 2079th | |
| Harmonic primes | 4977th | 4993rd |
| Isolated primes | 10025th | |
| Long primes | 4944th | 4954th |
| Primes | 13265th | 13302nd |
| Pythagorean primes | 6610th | 6632nd |
| Sexy primes (2nd member) | 3268th | |
| Twin primes (2nd member) | 1636th | |
| Roman numberals | ||
| Base 2 | 1000101110100001012 | 1000110000100101012 |
| Base 3 | 210210101213 | 210212120113 |
| Base 4 | 2023220114 | 2030021114 |
| Base 5 | 140334115 | 140430145 |
| Base 6 | 30215416 | 30242216 |
| Base 7 | 11335667 | 11352527 |
| Base 8 | 4272058 | 4302258 |
| Base 9 | 2371179 | 2377649 |
| Base 10 | 14298110 | 14350910 |
| Base 11 | 9847311 | 9890311 |
| Base 12 | 6a8b112 | 6b07112 |
| Base 13 | 5010713 | 5042213 |
| Base 14 | 3a16d14 | 3a42914 |
| Base 15 | 2c57115 | 2c7c415 |
| Base 16 | 22e8516 | 2309516 |