1. Numbers
  2. Compare 18917 vs 18920

Compare 18917 vs 18920

Property1891718920
Typeprimecomposite number
Unique factors14
Total factors16
Prime factorization18917123 × 51 × 111 × 431
Prime factorization189172 × 2 × 2 × 5 × 11 × 43
Divisors count232
Divisors1, 189171, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920
Number of properties100
Chen primes1067th 
Cousin primes (2nd member)335th 
Primes2153rd 
Prime quadruplets (3rd member)18th 
Prime triplets (2nd member)162nd 
Prime triplets (3rd member)161st 
Pythagorean primes1067th 
Sexy primes (2nd member)658th 
Super primes325th 
Twin primes (1st member)327th 
Roman numberals  
Base 210010011110010121001001111010002
Base 322122112232212212023
Base 4102132114102132204
Base 51101132511011405
Base 622332562233326
Base 710610371061067
Base 8447458447508
Base 9278489278529
Base 1018917101892010
Base 1113238111324011
Base 12ab4512ab4812
Base 1387c21387c513
Base 146c73146c7614
Base 15591215591515
Base 1649e51649e816
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