Compare 645638 vs 645641

Property	645638	645641
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 7¹ × 107¹ × 431¹	645641¹
Prime factorization	2 × 7 × 107 × 431	645641
Divisors count	16	2
Divisors	1, 2, 7, 14, 107, 214, 431, 749, 862, 1498, 3017, 6034, 46117, 92234, 322819, 645638	1, 645641
Number of properties	0	4
Happy primes		7475th
Isolated primes		41147th
Primes		52494th
Sexy primes (1st member)		11370th
Roman numberals
Base 2	10011101101000000110₂	10011101101000001001₂
Base 3	1012210122112₃	1012210122122₃
Base 4	2131220012₄	2131220021₄
Base 5	131130023₅	131130031₅
Base 6	21501022₆	21501025₆
Base 7	5326220₇	5326223₇
Base 8	2355006₈	2355011₈
Base 9	1183575₉	1183578₉
Base 10	645638₁₀	645641₁₀
Base 11	401094₁₁	401097₁₁
Base 12	271772₁₂	271775₁₂
Base 13	197b46₁₃	197b49₁₃
Base 14	12b410₁₄	12b413₁₄
Base 15	cb478₁₅	cb47b₁₅
Base 16	9da06₁₆	9da09₁₆