Compare 645642 vs 645649

Property	645642	645649
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2¹ × 3² × 35869¹	645649¹
Prime factorization	2 × 3 × 3 × 35869	645649
Divisors count	12	2
Divisors	1, 2, 3, 6, 9, 18, 35869, 71738, 107607, 215214, 322821, 645642	1, 645649
Number of properties	0	3
Primes		52496th
Twin primes (2nd member)		5675th
Ulam primes		3851st
Roman numberals
Base 2	10011101101000001010₂	10011101101000010001₂
Base 3	1012210122200₃	1012210122221₃
Base 4	2131220022₄	2131220101₄
Base 5	131130032₅	131130044₅
Base 6	21501030₆	21501041₆
Base 7	5326224₇	5326234₇
Base 8	2355012₈	2355021₈
Base 9	1183580₉	1183587₉
Base 10	645642₁₀	645649₁₀
Base 11	401098₁₁	4010a4₁₁
Base 12	271776₁₂	271781₁₂
Base 13	197b4a₁₃	197b54₁₃
Base 14	12b414₁₄	12b41b₁₄
Base 15	cb47c₁₅	cb484₁₅
Base 16	9da0a₁₆	9da11₁₆