Compare 640223 vs 640225

Property	640223	640225
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	640223¹	5² × 25609¹
Prime factorization	640223	5 × 5 × 25609
Divisors count	2	6
Divisors	1, 640223	1, 5, 25, 25609, 128045, 640225
Number of properties	5	0
Additive primes	20360th
Cousin primes (2nd member)	5633rd
Isolated primes	40829th
Primes	52094th
Sexy primes (1st member)	11287th
Roman numberals
Base 2	10011100010011011111₂	10011100010011100001₂
Base 3	1012112012222₃	1012112020001₃
Base 4	2130103133₄	2130103201₄
Base 5	130441343₅	130441400₅
Base 6	21415555₆	21420001₆
Base 7	5304353₇	5304355₇
Base 8	2342337₈	2342341₈
Base 9	1175188₉	1175201₉
Base 10	640223₁₀	640225₁₀
Base 11	3a8011₁₁	3a8013₁₁
Base 12	26a5bb₁₂	26a601₁₂
Base 13	19553c₁₃	195541₁₃
Base 14	129463₁₄	129465₁₄
Base 15	c9a68₁₅	c9a6a₁₅
Base 16	9c4df₁₆	9c4e1₁₆