1. Numbers
  2. Compare 163991 vs 164089

Compare 163991 vs 164089

Property163991164089
Typeprimeprime
Unique factors11
Total factors11
Prime factorization16399111640891
Prime factorization163991164089
Divisors count22
Divisors1, 1639911, 164089
Number of properties95
Additive primes6148th 
Chen primes6398th 
Cousin primes (1st member) 1813th
Cousin primes (2nd member)1811th 
Harmonic primes 5639th
Isolated primes 11348th
Primes15014th15023rd
Prime triplets (1st member)717th 
Prime triplets (2nd member)716th 
Pythagorean primes 7491st
Sexy primes (1st member)3637th 
Sophie germain primes1752nd 
Twin primes (1st member)1838th 
Roman numberals  
Base 210100000001001011121010000000111110012
Base 3220222212023221000021013
Base 422000211342200033214
Base 5202214315202223245
Base 63303115633034016
Base 71252052712522527
Base 850022785003718
Base 926885292700719
Base 101639911016408910
Base 111022331110231211
Base 127aa9b127ab6112
Base 135984913598c313
Base 1443a991443b2914
Base 15338cb153394415
Base 162809716280f916
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