Compare 645641 vs 645644

Property	645641	645644
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	645641¹	2² × 161411¹
Prime factorization	645641	2 × 2 × 161411
Divisors count	2	6
Divisors	1, 645641	1, 2, 4, 161411, 322822, 645644
Number of properties	4	0
Happy primes	7475th
Isolated primes	41147th
Primes	52494th
Sexy primes (1st member)	11370th
Roman numberals
Base 2	10011101101000001001₂	10011101101000001100₂
Base 3	1012210122122₃	1012210122202₃
Base 4	2131220021₄	2131220030₄
Base 5	131130031₅	131130034₅
Base 6	21501025₆	21501032₆
Base 7	5326223₇	5326226₇
Base 8	2355011₈	2355014₈
Base 9	1183578₉	1183582₉
Base 10	645641₁₀	645644₁₀
Base 11	401097₁₁	40109a₁₁
Base 12	271775₁₂	271778₁₂
Base 13	197b49₁₃	197b4c₁₃
Base 14	12b413₁₄	12b416₁₄
Base 15	cb47b₁₅	cb47e₁₅
Base 16	9da09₁₆	9da0c₁₆