Compare 639997 vs 640004

Property	639997	640004
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	639997¹	2² × 160001¹
Prime factorization	639997	2 × 2 × 160001
Divisors count	2	6
Divisors	1, 639997	1, 2, 4, 160001, 320002, 640004
Number of properties	4	0
Additive primes	20349th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th
Roman numberals
Base 2	10011100001111111101₂	10011100010000000100₂
Base 3	1012111220121₃	1012111220212₃
Base 4	2130033331₄	2130100010₄
Base 5	130434442₅	130440004₅
Base 6	21414541₆	21414552₆
Base 7	5303611₇	5303621₇
Base 8	2341775₈	2342004₈
Base 9	1174817₉	1174825₉
Base 10	639997₁₀	640004₁₀
Base 11	3a7926₁₁	3a7932₁₁
Base 12	26a451₁₂	26a458₁₂
Base 13	1953c7₁₃	195401₁₃
Base 14	129341₁₄	129348₁₄
Base 15	c9967₁₅	c996e₁₅
Base 16	9c3fd₁₆	9c404₁₆