Compare 163991 vs 163994

Property163991163994
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization163991121 × 1671 × 4911
Prime factorization1639912 × 167 × 491
Divisors count28
Divisors1, 1639911, 2, 167, 334, 491, 982, 81997, 163994
Number of properties90
Additive primes6148th 
Chen primes6398th 
Cousin primes (2nd member)1811th 
Primes15014th 
Prime triplets (1st member)717th 
Prime triplets (2nd member)716th 
Sexy primes (1st member)3637th 
Sophie germain primes1752nd 
Twin primes (1st member)1838th 
Roman numberals  
Base 210100000001001011121010000000100110102
Base 3220222212023220222212123
Base 422000211342200021224
Base 5202214315202214345
Base 63303115633031226
Base 71252052712520557
Base 850022785002328
Base 926885292688559
Base 101639911016399410
Base 111022331110223611
Base 127aa9b127aaa212
Base 1359849135984c13
Base 1443a991443a9c14
Base 15338cb15338ce15
Base 1628097162809a16
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