Compare 640961 vs 640972

Property	640961	640972
Type	semiprime	composite number
Unique factors	2	2
Total factors	2	3
Prime factorization	281¹ × 2281¹	2² × 160243¹
Prime factorization	281 × 2281	2 × 2 × 160243
Divisors count	4	6
Divisors	1, 281, 2281, 640961	1, 2, 4, 160243, 320486, 640972
Number of properties	1	0
Semiprimes	137342nd
Roman numberals
Base 2	10011100011111000001₂	10011100011111001100₂
Base 3	1012120020022₃	1012120020201₃
Base 4	2130133001₄	2130133030₄
Base 5	131002321₅	131002342₅
Base 6	21423225₆	21423244₆
Base 7	5306456₇	5306503₇
Base 8	2343701₈	2343714₈
Base 9	1176208₉	1176221₉
Base 10	640961₁₀	640972₁₀
Base 11	3a8622₁₁	3a8632₁₁
Base 12	26ab15₁₂	26ab24₁₂
Base 13	195989₁₃	195997₁₃
Base 14	12982d₁₄	12983a₁₄
Base 15	c9dab₁₅	c9db7₁₅
Base 16	9c7c1₁₆	9c7cc₁₆