Compare 221219 vs 221311
| Property | 221219 | 221311 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2212191 | 2213111 |
| Prime factorization | 221219 | 221311 |
| Divisors count | 2 | 2 |
| Divisors | 1, 221219 | 1, 221311 |
| Number of properties | 7 | 4 |
| Additive primes | 7977th | |
| Chen primes | 8218th | |
| Harmonic primes | 7398th | |
| Isolated primes | 15037th | 15045th |
| Long primes | 7380th | |
| Primes | 19714th | 19722nd |
| Safe primes | 1272nd | |
| Sexy primes (1st member) | 4665th | |
| Sophie germain primes | 2236th | |
| Roman numberals | ||
| Base 2 | 1101100000001000112 | 1101100000011111112 |
| Base 3 | 1020201100223 | 1020201202013 |
| Base 4 | 3120002034 | 3120013334 |
| Base 5 | 240343345 | 240402215 |
| Base 6 | 44240556 | 44243316 |
| Base 7 | 16106457 | 16111367 |
| Base 8 | 6600438 | 6601778 |
| Base 9 | 3664089 | 3665219 |
| Base 10 | 22121910 | 22131110 |
| Base 11 | 14122911 | 14130211 |
| Base 12 | a802b12 | a80a712 |
| Base 13 | 798cb13 | 7996c13 |
| Base 14 | 5a89514 | 5a91d14 |
| Base 15 | 4582e15 | 4589115 |
| Base 16 | 3602316 | 3607f16 |