Compare 128111 vs 128120

Property128111128120
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization128111123 × 51 × 32031
Prime factorization1281112 × 2 × 2 × 5 × 3203
Divisors count216
Divisors1, 1281111, 2, 4, 5, 8, 10, 20, 40, 3203, 6406, 12812, 16015, 25624, 32030, 64060, 128120
Number of properties60
Chen primes5185th 
Emirps2416th 
Good primes781st 
Harmonic primes4515th 
Primes11993rd 
Twin primes (1st member)1495th 
Roman numberals  
Base 2111110100011011112111110100011110002
Base 3201112012123201112020123
Base 413310123341331013204
Base 5130444215130444405
Base 62425035624250526
Base 71042334710423467
Base 837215783721708
Base 921465592146659
Base 101281111012812010
Base 1188285118829311
Base 126217b126218812
Base 1346409134641513
Base 143498b143499614
Base 1527e5b1527e6515
Base 161f46f161f47816
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