Compare 20899 vs 21179
| Property | 20899 | 21179 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208991 | 211791 |
| Prime factorization | 20899 | 21179 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20899 | 1, 21179 |
| Number of properties | 10 | 7 |
| Chen primes | 1157th | 1170th |
| Cousin primes (1st member) | 356th | |
| Happy primes | 388th | |
| Harmonic primes | 862nd | |
| Isolated primes | 1662nd | |
| Long primes | 894th | 905th |
| Lucky primes | 382nd | |
| Primes | 2351st | 2381st |
| Prime triplets (2nd member) | 174th | |
| Safe primes | 199th | |
| Sophie germain primes | 345th | |
| Super primes | 349th | 353rd |
| Twin primes (2nd member) | 356th | |
| Roman numberals | ||
| Base 2 | 1010001101000112 | 1010010101110112 |
| Base 3 | 10012000013 | 10020011023 |
| Base 4 | 110122034 | 110223234 |
| Base 5 | 11320445 | 11342045 |
| Base 6 | 2404316 | 2420156 |
| Base 7 | 1146347 | 1155147 |
| Base 8 | 506438 | 512738 |
| Base 9 | 316019 | 320429 |
| Base 10 | 2089910 | 2117910 |
| Base 11 | 1477a11 | 14a0411 |
| Base 12 | 1011712 | 1030b12 |
| Base 13 | 968813 | 984213 |
| Base 14 | 788b14 | 7a0b14 |
| Base 15 | 62d415 | 641e15 |
| Base 16 | 51a316 | 52bb16 |