1. Numbers
  2. Compare 1291 vs 1381

Compare 1291 vs 1381

Property12911381
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1291113811
Prime factorization12911381
Divisors count22
Divisors1, 12911, 1381
Number of properties97
Additive primes113th122nd
Chen primes137th144th
Emirps 64th
Harmonic primes73rd 
Isolated primes 130th
Long primes80th86th
Lucky primes54th 
Primes210th221st
Pythagorean primes 109th
Sexy primes (1st member)91st 
Sexy prime triplets (1st member)35th 
Twin primes (2nd member)44th 
Roman numberalsMCCXCIMCCCLXXXI
Base 2101000010112101011001012
Base 31202211312200113
Base 411002341112114
Base 5201315210115
Base 655516102216
Base 73523740127
Base 82413825458
Base 91684918049
Base 10129110138110
Base 11a7411104611
Base 128b71297112
Base 137841382313
Base 146831470914
Base 155b11562115
Base 1650b1656516
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