1. Numbers
  2. Compare 1286 vs 1297

Compare 1286 vs 1297

Property12861297
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 643112971
Prime factorization2 × 6431297
Divisors count42
Divisors1, 2, 643, 12861, 1297
Number of properties114
Additive primes 114th
Chen primes 138th
Cousin primes (1st member) 47th
Isolated primes 124th
Long primes 81st
Pierpont primes 20th
Primes 211th
Prime triplets (1st member) 34th
Pythagorean primes 104th
Quartan primes 8th
Semiprimes379th 
Sexy primes (1st member) 92nd
Sexy primes (2nd member) 91st
Sexy prime triplets (2nd member) 35th
Super primes 47th
Roman numberalsMCCLXXXVIMCCXCVII
Base 2101000001102101000100012
Base 31202122312100013
Base 411001241101014
Base 5201215201425
Base 655426100016
Base 73515735327
Base 82406824218
Base 91678917019
Base 10128610129710
Base 11a6a11a7a11
Base 128b21290112
Base 1377c1378a13
Base 1467c1468914
Base 155ab155b715
Base 165061651116
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