1. Numbers
  2. Compare 1291 vs 1361

Compare 1291 vs 1361

Property12911361
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1291113611
Prime factorization12911361
Divisors count22
Divisors1, 12911, 1361
Number of properties99
Additive primes113th120th
Centered decagonal primes 12th
Chen primes137th142nd
Harmonic primes73rd 
Isolated primes 127th
Long primes80th 
Lucky primes54th 
Mills primes 3rd
Primes210th218th
Pythagorean primes 107th
Sexy primes (1st member)91st95th
Sexy prime triplets (1st member)35th36th
Twin primes (2nd member)44th 
Roman numberalsMCCXCIMCCCLXI
Base 2101000010112101010100012
Base 31202211312121023
Base 411002341111014
Base 5201315204215
Base 655516101456
Base 73523736537
Base 82413825218
Base 91684917729
Base 10129110136110
Base 11a7411102811
Base 128b71295512
Base 137841380913
Base 14683146d314
Base 155b11560b15
Base 1650b1655116
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