Compare 639997 vs 640001

Property	639997	640001
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	639997¹	29² × 761¹
Prime factorization	639997	29 × 29 × 761
Divisors count	2	6
Divisors	1, 639997	1, 29, 761, 841, 22069, 640001
Number of properties	4	0
Additive primes	20349th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th
Roman numberals
Base 2	10011100001111111101₂	10011100010000000001₂
Base 3	1012111220121₃	1012111220202₃
Base 4	2130033331₄	2130100001₄
Base 5	130434442₅	130440001₅
Base 6	21414541₆	21414545₆
Base 7	5303611₇	5303615₇
Base 8	2341775₈	2342001₈
Base 9	1174817₉	1174822₉
Base 10	639997₁₀	640001₁₀
Base 11	3a7926₁₁	3a792a₁₁
Base 12	26a451₁₂	26a455₁₂
Base 13	1953c7₁₃	1953cb₁₃
Base 14	129341₁₄	129345₁₄
Base 15	c9967₁₅	c996b₁₅
Base 16	9c3fd₁₆	9c401₁₆