Compare 639949 vs 639950

Property	639949	639950
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	639949¹	2¹ × 5² × 12799¹
Prime factorization	639949	2 × 5 × 5 × 12799
Divisors count	2	12
Divisors	1, 639949	1, 2, 5, 10, 25, 50, 12799, 25598, 63995, 127990, 319975, 639950
Number of properties	3	0
Isolated primes	40810th
Primes	52071st
Ulam primes	3816th
Roman numberals
Base 2	10011100001111001101₂	10011100001111001110₂
Base 3	1012111211211₃	1012111211212₃
Base 4	2130033031₄	2130033032₄
Base 5	130434244₅	130434300₅
Base 6	21414421₆	21414422₆
Base 7	5303512₇	5303513₇
Base 8	2341715₈	2341716₈
Base 9	1174754₉	1174755₉
Base 10	639949₁₀	639950₁₀
Base 11	3a7892₁₁	3a7893₁₁
Base 12	26a411₁₂	26a412₁₂
Base 13	19538b₁₃	19538c₁₃
Base 14	129309₁₄	12930a₁₄
Base 15	c9934₁₅	c9935₁₅
Base 16	9c3cd₁₆	9c3ce₁₆