Compare 644491 vs 644492

Property	644491	644492
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	644491¹	2² × 161123¹
Prime factorization	644491	2 × 2 × 161123
Divisors count	2	6
Divisors	1, 644491	1, 2, 4, 161123, 322246, 644492
Number of properties	3	0
Chen primes	20490th
Primes	52402nd
Twin primes (2nd member)	5664th
Roman numberals
Base 2	10011101010110001011₂	10011101010110001100₂
Base 3	1012202002001₃	1012202002002₃
Base 4	2131112023₄	2131112030₄
Base 5	131110431₅	131110432₅
Base 6	21451431₆	21451432₆
Base 7	5322661₇	5322662₇
Base 8	2352613₈	2352614₈
Base 9	1182061₉	1182062₉
Base 10	644491₁₀	644492₁₀
Base 11	400241₁₁	400242₁₁
Base 12	270b77₁₂	270b78₁₂
Base 13	197473₁₃	197474₁₃
Base 14	12ac31₁₄	12ac32₁₄
Base 15	cae61₁₅	cae62₁₅
Base 16	9d58b₁₆	9d58c₁₆