Compare 640919 vs 640928

Property	640919	640928
Type	prime	composite number
Unique factors	1	2
Total factors	1	6
Prime factorization	640919¹	2⁵ × 20029¹
Prime factorization	640919	2 × 2 × 2 × 2 × 2 × 20029
Divisors count	2	12
Divisors	1, 640919	1, 2, 4, 8, 16, 32, 20029, 40058, 80116, 160232, 320464, 640928
Number of properties	5	0
Additive primes	20378th
Chen primes	20405th
Isolated primes	40868th
Primes	52143rd
Ulam primes	3821st
Roman numberals
Base 2	10011100011110010111₂	10011100011110100000₂
Base 3	1012120011202₃	1012120012002₃
Base 4	2130132113₄	2130132200₄
Base 5	131002134₅	131002203₅
Base 6	21423115₆	21423132₆
Base 7	5306366₇	5306411₇
Base 8	2343627₈	2343640₈
Base 9	1176152₉	1176162₉
Base 10	640919₁₀	640928₁₀
Base 11	3a8594₁₁	3a85a2₁₁
Base 12	26aa9b₁₂	26aaa8₁₂
Base 13	195956₁₃	195962₁₃
Base 14	1297dd₁₄	129808₁₄
Base 15	c9d7e₁₅	c9d88₁₅
Base 16	9c797₁₆	9c7a0₁₆