Compare 247991 vs 248981
| Property | 247991 | 248981 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2479911 | 2489811 |
| Prime factorization | 247991 | 248981 |
| Divisors count | 2 | 2 |
| Divisors | 1, 247991 | 1, 248981 |
| Number of properties | 8 | 7 |
| Chen primes | 9055th | 9089th |
| Happy primes | 3308th | |
| Harmonic primes | 8166th | |
| Isolated primes | 16802nd | |
| Long primes | 8222nd | |
| Primes | 21873rd | 21963rd |
| Prime quadruplets (1st member) | 60th | |
| Prime triplets (1st member) | 1001st | |
| Sexy primes (1st member) | 5105th | 5126th |
| Sophie germain primes | 2452nd | 2461st |
| Twin primes (1st member) | 2573rd | |
| Roman numberals | ||
| Base 2 | 1111001000101101112 | 1111001100100101012 |
| Base 3 | 1101210112123 | 1101221121123 |
| Base 4 | 3302023134 | 3303021114 |
| Base 5 | 304134315 | 304314115 |
| Base 6 | 51520356 | 52004056 |
| Base 7 | 20520027 | 20546157 |
| Base 8 | 7442678 | 7462258 |
| Base 9 | 4171559 | 4184759 |
| Base 10 | 24799110 | 24898110 |
| Base 11 | 15a35711 | 16007711 |
| Base 12 | bb61b12 | 10010512 |
| Base 13 | 88b5313 | 8943513 |
| Base 14 | 6653914 | 66a4514 |
| Base 15 | 4d72b15 | 4db8b15 |
| Base 16 | 3c8b716 | 3cc9516 |