1. Numbers
  2. Compare 161921 vs 161928

Compare 161921 vs 161928

Property161921161928
Typeprimecomposite number
Unique factors14
Total factors17
Prime factorization161921123 × 32 × 131 × 1731
Prime factorization1619212 × 2 × 2 × 3 × 3 × 13 × 173
Divisors count248
Divisors1, 1619211, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 173, 234, 312, 346, 468, 519, 692, 936, 1038, 1384, 1557, 2076, 2249, 3114, 4152, 4498, 6228, 6747, 8996, 12456, 13494, 17992, 20241, 26988, 40482, 53976, 80964, 161928
Number of properties50
Chen primes6329th 
Harmonic primes5564th 
Primes14844th 
Pythagorean primes7400th 
Twin primes (1st member)1821st 
Roman numberals  
Base 210011110001000000121001111000100010002
Base 3220200100023220200101003
Base 421320200142132020204
Base 5201401415201402035
Base 63245345632454006
Base 71243034712430447
Base 847420184742108
Base 926610292661109
Base 101619211016192810
Base 111007211110072811
Base 1279855127986012
Base 1358916135892013
Base 144301b144302414
Base 1532e9b1532ea315
Base 1627881162788816
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