1. Numbers
  2. Compare 163991 vs 163998

Compare 163991 vs 163998

Property163991163998
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization163991121 × 33 × 30371
Prime factorization1639912 × 3 × 3 × 3 × 3037
Divisors count216
Divisors1, 1639911, 2, 3, 6, 9, 18, 27, 54, 3037, 6074, 9111, 18222, 27333, 54666, 81999, 163998
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 210100000001001011121010000000100111102
Base 3220222212023220222220003
Base 422000211342200021324
Base 5202214315202214435
Base 63303115633031306
Base 71252052712520627
Base 850022785002368
Base 926885292688609
Base 101639911016399810
Base 111022331110223a11
Base 127aa9b127aaa612
Base 1359849135985313
Base 1443a991443aa214
Base 15338cb15338d315
Base 1628097162809e16
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