Compare 242551 vs 242561
| Property | 242551 | 242561 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2425511 | 111 × 220511 |
| Prime factorization | 242551 | 11 × 22051 |
| Divisors count | 2 | 4 |
| Divisors | 1, 242551 | 1, 11, 22051, 242561 |
| Number of properties | 5 | 1 |
| Additive primes | 8696th | |
| Harmonic primes | 8028th | |
| Isolated primes | 16388th | |
| Lucky primes | 2696th | |
| Primes | 21435th | |
| Semiprimes | 54355th | |
| Roman numberals | ||
| Base 2 | 1110110011011101112 | 1110110011100000012 |
| Base 3 | 1100222011013 | 1100222012023 |
| Base 4 | 3230313134 | 3230320014 |
| Base 5 | 302302015 | 302302215 |
| Base 6 | 51105316 | 51105456 |
| Base 7 | 20301017 | 20301147 |
| Base 8 | 7315678 | 7316018 |
| Base 9 | 4086419 | 4086529 |
| Base 10 | 24255110 | 24256110 |
| Base 11 | 15626111 | 15627011 |
| Base 12 | b844712 | b845512 |
| Base 13 | 8652a13 | 8653713 |
| Base 14 | 6457114 | 6457b14 |
| Base 15 | 4bd0115 | 4bd0b15 |
| Base 16 | 3b37716 | 3b38116 |