Compare 639949 vs 639951

Property	639949	639951
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	639949¹	3¹ × 13¹ × 61¹ × 269¹
Prime factorization	639949	3 × 13 × 61 × 269
Divisors count	2	16
Divisors	1, 639949	1, 3, 13, 39, 61, 183, 269, 793, 807, 2379, 3497, 10491, 16409, 49227, 213317, 639951
Number of properties	3	0
Isolated primes	40810th
Primes	52071st
Ulam primes	3816th
Roman numberals
Base 2	10011100001111001101₂	10011100001111001111₂
Base 3	1012111211211₃	1012111211220₃
Base 4	2130033031₄	2130033033₄
Base 5	130434244₅	130434301₅
Base 6	21414421₆	21414423₆
Base 7	5303512₇	5303514₇
Base 8	2341715₈	2341717₈
Base 9	1174754₉	1174756₉
Base 10	639949₁₀	639951₁₀
Base 11	3a7892₁₁	3a7894₁₁
Base 12	26a411₁₂	26a413₁₂
Base 13	19538b₁₃	195390₁₃
Base 14	129309₁₄	12930b₁₄
Base 15	c9934₁₅	c9936₁₅
Base 16	9c3cd₁₆	9c3cf₁₆