Compare 161921 vs 161922

Property161921161922
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization161921121 × 31 × 269871
Prime factorization1619212 × 3 × 26987
Divisors count28
Divisors1, 1619211, 2, 3, 6, 26987, 53974, 80961, 161922
Number of properties50
Chen primes6329th 
Harmonic primes5564th 
Primes14844th 
Pythagorean primes7400th 
Twin primes (1st member)1821st 
Roman numberals  
Base 210011110001000000121001111000100000102
Base 3220200100023220200100103
Base 421320200142132020024
Base 5201401415201401425
Base 63245345632453506
Base 71243034712430357
Base 847420184742028
Base 926610292661039
Base 101619211016192210
Base 111007211110072211
Base 1279855127985612
Base 1358916135891713
Base 144301b144301c14
Base 1532e9b1532e9c15
Base 1627881162788216
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