Compare 640907 vs 640912

Property	640907	640912
Type	prime	composite number
Unique factors	1	3
Total factors	1	6
Prime factorization	640907¹	2⁴ × 41¹ × 977¹
Prime factorization	640907	2 × 2 × 2 × 2 × 41 × 977
Divisors count	2	20
Divisors	1, 640907	1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 977, 1954, 3908, 7816, 15632, 40057, 80114, 160228, 320456, 640912
Number of properties	4	0
Chen primes	20404th
Isolated primes	40867th
Primes	52142nd
Sexy primes (2nd member)	11298th
Roman numberals
Base 2	10011100011110001011₂	10011100011110010000₂
Base 3	1012120011022₃	1012120011111₃
Base 4	2130132023₄	2130132100₄
Base 5	131002112₅	131002122₅
Base 6	21423055₆	21423104₆
Base 7	5306351₇	5306356₇
Base 8	2343613₈	2343620₈
Base 9	1176138₉	1176144₉
Base 10	640907₁₀	640912₁₀
Base 11	3a8583₁₁	3a8588₁₁
Base 12	26aa8b₁₂	26aa94₁₂
Base 13	195947₁₃	19594c₁₃
Base 14	1297d1₁₄	1297d6₁₄
Base 15	c9d72₁₅	c9d77₁₅
Base 16	9c78b₁₆	9c790₁₆