Compare 161912 vs 161921

Property	161912	161921
Type	composite number	prime
Unique factors	3	1
Total factors	5	1
Prime factorization	2³ × 37¹ × 547¹	161921¹
Prime factorization	2 × 2 × 2 × 37 × 547	161921
Divisors count	16	2
Divisors	1, 2, 4, 8, 37, 74, 148, 296, 547, 1094, 2188, 4376, 20239, 40478, 80956, 161912	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	100111100001111000₂	100111100010000001₂
Base 3	22020002202₃	22020010002₃
Base 4	213201320₄	213202001₄
Base 5	20140122₅	20140141₅
Base 6	3245332₆	3245345₆
Base 7	1243022₇	1243034₇
Base 8	474170₈	474201₈
Base 9	266082₉	266102₉
Base 10	161912₁₀	161921₁₀
Base 11	100713₁₁	100721₁₁
Base 12	79848₁₂	79855₁₂
Base 13	5890a₁₃	58916₁₃
Base 14	43012₁₄	4301b₁₄
Base 15	32e92₁₅	32e9b₁₅
Base 16	27878₁₆	27881₁₆