1. Numbers
  2. Compare 1289 vs 1291

Compare 1289 vs 1291

Property12891291
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1289112911
Prime factorization12891291
Divisors count22
Divisors1, 12891, 1291
Number of properties79
Additive primes 113th
Chen primes136th137th
Harmonic primes 73rd
Long primes 80th
Lucky primes 54th
Primes209th210th
Pythagorean primes103rd 
Sexy primes (1st member) 91st
Sexy primes (2nd member)90th 
Sexy prime triplets (1st member) 35th
Sexy prime triplets (3rd member)34th 
Sophie germain primes45th 
Twin primes (1st member)44th 
Twin primes (2nd member) 44th
Roman numberalsMCCLXXXIXMCCXCI
Base 2101000010012101000010112
Base 31202202312022113
Base 411002141100234
Base 5201245201315
Base 65545655516
Base 73521735237
Base 82411824138
Base 91682916849
Base 10128910129110
Base 11a7211a7411
Base 128b5128b712
Base 137821378413
Base 146811468314
Base 155ae155b115
Base 165091650b16
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