Compare 640261 vs 640264

Property	640261	640264
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	640261¹	2³ × 163¹ × 491¹
Prime factorization	640261	2 × 2 × 2 × 163 × 491
Divisors count	2	16
Divisors	1, 640261	1, 2, 4, 8, 163, 326, 491, 652, 982, 1304, 1964, 3928, 80033, 160066, 320132, 640264
Number of properties	5	0
Additive primes	20363rd
Lucky primes	5980th
Primes	52100th
Sexy primes (1st member)	11288th
Twin primes (2nd member)	5636th
Roman numberals
Base 2	10011100010100000101₂	10011100010100001000₂
Base 3	1012112021101₃	1012112021111₃
Base 4	2130110011₄	2130110020₄
Base 5	130442021₅	130442024₅
Base 6	21420101₆	21420104₆
Base 7	5304436₇	5304442₇
Base 8	2342405₈	2342410₈
Base 9	1175241₉	1175244₉
Base 10	640261₁₀	640264₁₀
Base 11	3a8046₁₁	3a8049₁₁
Base 12	26a631₁₂	26a634₁₂
Base 13	19556b₁₃	195571₁₃
Base 14	12948d₁₄	129492₁₄
Base 15	c9a91₁₅	c9a94₁₅
Base 16	9c505₁₆	9c508₁₆