Compare 645642 vs 645647

Property	645642	645647
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	2¹ × 3² × 35869¹	645647¹
Prime factorization	2 × 3 × 3 × 35869	645647
Divisors count	12	2
Divisors	1, 2, 3, 6, 9, 18, 35869, 71738, 107607, 215214, 322821, 645642	1, 645647
Number of properties	0	4
Chen primes		20536th
Primes		52495th
Sexy primes (2nd member)		11370th
Twin primes (1st member)		5675th
Roman numberals
Base 2	10011101101000001010₂	10011101101000001111₂
Base 3	1012210122200₃	1012210122212₃
Base 4	2131220022₄	2131220033₄
Base 5	131130032₅	131130042₅
Base 6	21501030₆	21501035₆
Base 7	5326224₇	5326232₇
Base 8	2355012₈	2355017₈
Base 9	1183580₉	1183585₉
Base 10	645642₁₀	645647₁₀
Base 11	401098₁₁	4010a2₁₁
Base 12	271776₁₂	27177b₁₂
Base 13	197b4a₁₃	197b52₁₃
Base 14	12b414₁₄	12b419₁₄
Base 15	cb47c₁₅	cb482₁₅
Base 16	9da0a₁₆	9da0f₁₆