Compare 1289 vs 1289

Property12891289
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1289112891
Prime factorization12891289
Divisors count22
Divisors1, 12891, 1289
Number of properties77
Chen primes136th136th
Primes209th209th
Pythagorean primes103rd103rd
Sexy primes (2nd member)90th90th
Sexy prime triplets (3rd member)34th34th
Sophie germain primes45th45th
Twin primes (1st member)44th44th
Roman numberalsMCCLXXXIXMCCLXXXIX
Base 2101000010012101000010012
Base 31202202312022023
Base 411002141100214
Base 5201245201245
Base 65545655456
Base 73521735217
Base 82411824118
Base 91682916829
Base 10128910128910
Base 11a7211a7211
Base 128b5128b512
Base 137821378213
Base 146811468114
Base 155ae155ae15
Base 165091650916
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