Compare 639938 vs 639949

Property	639938	639949
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 13¹ × 151¹ × 163¹	639949¹
Prime factorization	2 × 13 × 151 × 163	639949
Divisors count	16	2
Divisors	1, 2, 13, 26, 151, 163, 302, 326, 1963, 2119, 3926, 4238, 24613, 49226, 319969, 639938	1, 639949
Number of properties	0	3
Isolated primes		40810th
Primes		52071st
Ulam primes		3816th
Roman numberals
Base 2	10011100001111000010₂	10011100001111001101₂
Base 3	1012111211102₃	1012111211211₃
Base 4	2130033002₄	2130033031₄
Base 5	130434223₅	130434244₅
Base 6	21414402₆	21414421₆
Base 7	5303465₇	5303512₇
Base 8	2341702₈	2341715₈
Base 9	1174742₉	1174754₉
Base 10	639938₁₀	639949₁₀
Base 11	3a7882₁₁	3a7892₁₁
Base 12	26a402₁₂	26a411₁₂
Base 13	195380₁₃	19538b₁₃
Base 14	1292dc₁₄	129309₁₄
Base 15	c9928₁₅	c9934₁₅
Base 16	9c3c2₁₆	9c3cd₁₆