1. Numbers
  2. Compare 1399 vs 1481

Compare 1399 vs 1481

Property13991481
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1399114811
Prime factorization13991481
Divisors count22
Divisors1, 13991, 1481
Number of properties613
Chen primes145th152nd
Emirps65th 
Good primes52nd 
Happy primes 46th
Harmonic primes76th80th
Isolated primes131st 
Primes222nd234th
Prime quadruplets (1st member) 6th
Prime quintuplet 2s (1st member) 4th
Prime triplets (1st member) 39th
Pythagorean primes 114th
Sexy primes (1st member) 102nd
Sexy prime quadrupletss (1st member) 9th
Sexy prime triplets (1st member) 39th
Sophie germain primes 49th
Twin primes (1st member) 49th
Roman numberalsMCCCXCIXMCDLXXXI
Base 2101011101112101110010012
Base 31220211320002123
Base 411131341130214
Base 5210445214115
Base 6102516105056
Base 74036742147
Base 82567827118
Base 91824920259
Base 10139910148110
Base 11106211112711
Base 1298712a3512
Base 138381389c13
Base 1471d1477b14
Base 156341568b15
Base 16577165c916
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