Compare 12641 vs 12643

Property1264112643
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization126411471 × 2691
Prime factorization1264147 × 269
Divisors count24
Divisors1, 126411, 47, 269, 12643
Number of properties121
Centered square primes28th 
Chen primes766th 
Cousin primes (2nd member)244th 
Emirps348th 
Harmonic primes540th 
Isolated primes1023rd 
Primes1510th 
Pythagorean primes748th 
Semiprimes 3284th
Sexy primes (1st member)484th 
Sexy prime quadrupletss (1st member)27th 
Sexy prime triplets (1st member)137th 
Ulam primes109th 
Roman numberals  
Base 2110001011000012110001011000112
Base 312210001231221000213
Base 43011201430112034
Base 540103154010335
Base 613430561343116
Base 7515667516017
Base 8305418305438
Base 9183059183079
Base 1012641101264310
Base 11955211955411
Base 12739512739712
Base 1359a51359a713
Base 14486d14487114
Base 153b2b153b2d15
Base 16316116316316
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