1. Numbers
  2. Compare 1399 vs 1871

Compare 1399 vs 1871

Property13991871
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1399118711
Prime factorization13991871
Divisors count22
Divisors1, 13991, 1871
Number of properties611
Additive primes 151st
Chen primes145th176th
Cousin primes (2nd member) 62nd
Emirps65th 
Good primes52nd60th
Harmonic primes76th 
Isolated primes131st 
Primes222nd286th
Prime quadruplets (1st member) 7th
Prime quintuplet 1s (2nd member) 3rd
Prime triplets (1st member) 47th
Prime triplets (2nd member) 46th
Sexy primes (1st member) 122nd
Twin primes (1st member) 57th
Roman numberalsMCCCXCIXMDCCCLXXI
Base 2101011101112111010011112
Base 31220211321200223
Base 411131341310334
Base 5210445244415
Base 6102516123556
Base 74036753127
Base 82567835178
Base 91824925089
Base 10139910187110
Base 11106211145111
Base 129871210bb12
Base 1383813b0c13
Base 1471d1497914
Base 156341584b15
Base 165771674f16
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