1. Numbers
  2. Compare 1381 vs 1487

Compare 1381 vs 1487

Property13811487
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1381114871
Prime factorization13811487
Divisors count22
Divisors1, 13811, 1487
Number of properties718
Additive primes122nd 
Chen primes144th153rd
Cousin primes (2nd member) 52nd
Emirps64th71st
Happy primes 47th
Isolated primes130th 
Long primes86th90th
Primes221st236th
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
Pythagorean primes109th 
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 numberalsMCCCLXXXIMCDLXXXVII
Base 2101011001012101110011112
Base 31220011320010023
Base 411121141130334
Base 5210115214225
Base 6102216105156
Base 74012742237
Base 82545827178
Base 91804920329
Base 10138110148710
Base 11104611113211
Base 1297112a3b12
Base 13823138a513
Base 147091478314
Base 156211569215
Base 16565165cf16
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