Compare 161909 vs 161921

Property	161909	161921
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	11¹ × 41¹ × 359¹	161921¹
Prime factorization	11 × 41 × 359	161921
Divisors count	8	2
Divisors	1, 11, 41, 359, 451, 3949, 14719, 161909	1, 161921
Number of properties	0	5
Chen primes		6329th
Harmonic primes		5564th
Primes		14844th
Pythagorean primes		7400th
Twin primes (1st member)		1821st
Roman numberals
Base 2	100111100001110101₂	100111100010000001₂
Base 3	22020002122₃	22020010002₃
Base 4	213201311₄	213202001₄
Base 5	20140114₅	20140141₅
Base 6	3245325₆	3245345₆
Base 7	1243016₇	1243034₇
Base 8	474165₈	474201₈
Base 9	266078₉	266102₉
Base 10	161909₁₀	161921₁₀
Base 11	100710₁₁	100721₁₁
Base 12	79845₁₂	79855₁₂
Base 13	58907₁₃	58916₁₃
Base 14	4300d₁₄	4301b₁₄
Base 15	32e8e₁₅	32e9b₁₅
Base 16	27875₁₆	27881₁₆