1. Numbers
  2. Compare 1291 vs 1489

Compare 1291 vs 1489

Property12911489
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1291114891
Prime factorization12911489
Divisors count22
Divisors1, 12911, 1489
Number of properties912
Additive primes113th 
Centered triangular primes 9th
Chen primes137th 
Cousin primes (1st member) 53rd
Harmonic primes73rd81st
Long primes80th 
Lucky primes54th 
Primes210th237th
Prime quadruplets (4th member) 6th
Prime quintuplet 2s (4th member) 4th
Prime triplets (2nd member) 41st
Prime triplets (3rd member) 40th
Pythagorean primes 115th
Sexy primes (1st member)91st 
Sexy primes (2nd member) 103rd
Sexy prime triplets (1st member)35th 
Twin primes (2nd member)44th50th
Ulam primes 21st
Roman numberalsMCCXCIMCDLXXXIX
Base 2101000010112101110100012
Base 31202211320010113
Base 411002341131014
Base 5201315214245
Base 655516105216
Base 73523742257
Base 82413827218
Base 91684920349
Base 10129110148910
Base 11a7411113411
Base 128b712a4112
Base 13784138a713
Base 146831478514
Base 155b11569415
Base 1650b165d116
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