1. Numbers
  2. Compare 1282 vs 1289

Compare 1282 vs 1289

Property12821289
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 641112891
Prime factorization2 × 6411289
Divisors count42
Divisors1, 2, 641, 12821, 1289
Number of properties17
Chen primes 136th
Primes 209th
Pythagorean primes 103rd
Semiprimes377th 
Sexy primes (2nd member) 90th
Sexy prime triplets (3rd member) 34th
Sophie germain primes 45th
Twin primes (1st member) 44th
Roman numberalsMCCLXXXIIMCCLXXXIX
Base 2101000000102101000010012
Base 31202111312022023
Base 411000241100214
Base 5201125201245
Base 65534655456
Base 73511735217
Base 82402824118
Base 91674916829
Base 10128210128910
Base 11a6611a7211
Base 128aa128b512
Base 137781378213
Base 146781468114
Base 155a7155ae15
Base 165021650916
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