1. Numbers
  2. Compare 1291 vs 1321

Compare 1291 vs 1321

Property12911321
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1291113211
Prime factorization12911321
Divisors count22
Divisors1, 12911, 1321
Number of properties97
Additive primes113th118th
Chen primes137th 
Emirps 63rd
Harmonic primes73rd74th
Long primes80th 
Lucky primes54th 
Primes210th216th
Pythagorean primes 106th
Sexy primes (1st member)91st94th
Sexy prime triplets (1st member)35th 
Twin primes (2nd member)44th46th
Roman numberalsMCCXCIMCCCXXI
Base 2101000010112101001010012
Base 31202211312102213
Base 411002341102214
Base 5201315202415
Base 655516100416
Base 73523735657
Base 82413824518
Base 91684917279
Base 10129110132110
Base 11a7411aa111
Base 128b71292112
Base 13784137a813
Base 14683146a514
Base 155b1155d115
Base 1650b1652916
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