1. Numbers
  2. Compare 1399 vs 1487

Compare 1399 vs 1487

Property13991487
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1399114871
Prime factorization13991487
Divisors count22
Divisors1, 13991, 1487
Number of properties618
Chen primes145th153rd
Cousin primes (2nd member) 52nd
Emirps65th71st
Good primes52nd 
Happy primes 47th
Harmonic primes76th 
Isolated primes131st 
Long primes 90th
Primes222nd236th
Prime quadruplets (3rd member) 6th
Prime quintuplet 2s (3rd member) 4th
Prime triplets (1st member) 41st
Prime triplets (2nd member) 40th
Prime triplets (3rd member) 39th
Safe primes 33rd
Sexy primes (1st member) 104th
Sexy primes (2nd member) 102nd
Sexy prime quadrupletss (2nd member) 9th
Sexy prime triplets (1st member) 40th
Sexy prime triplets (2nd member) 39th
Twin primes (1st member) 50th
Roman numberalsMCCCXCIXMCDLXXXVII
Base 2101011101112101110011112
Base 31220211320010023
Base 411131341130334
Base 5210445214225
Base 6102516105156
Base 74036742237
Base 82567827178
Base 91824920329
Base 10139910148710
Base 11106211113211
Base 1298712a3b12
Base 13838138a513
Base 1471d1478314
Base 156341569215
Base 16577165cf16
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