Compare 639939 vs 639949

Property	639939	639949
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	3¹ × 19¹ × 103¹ × 109¹	639949¹
Prime factorization	3 × 19 × 103 × 109	639949
Divisors count	16	2
Divisors	1, 3, 19, 57, 103, 109, 309, 327, 1957, 2071, 5871, 6213, 11227, 33681, 213313, 639939	1, 639949
Number of properties	0	3
Isolated primes		40810th
Primes		52071st
Ulam primes		3816th
Roman numberals
Base 2	10011100001111000011₂	10011100001111001101₂
Base 3	1012111211110₃	1012111211211₃
Base 4	2130033003₄	2130033031₄
Base 5	130434224₅	130434244₅
Base 6	21414403₆	21414421₆
Base 7	5303466₇	5303512₇
Base 8	2341703₈	2341715₈
Base 9	1174743₉	1174754₉
Base 10	639939₁₀	639949₁₀
Base 11	3a7883₁₁	3a7892₁₁
Base 12	26a403₁₂	26a411₁₂
Base 13	195381₁₃	19538b₁₃
Base 14	1292dd₁₄	129309₁₄
Base 15	c9929₁₅	c9934₁₅
Base 16	9c3c3₁₆	9c3cd₁₆