Compare 639997 vs 640006

Property	639997	640006
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	639997¹	2¹ × 97¹ × 3299¹
Prime factorization	639997	2 × 97 × 3299
Divisors count	2	8
Divisors	1, 639997	1, 2, 97, 194, 3299, 6598, 320003, 640006
Number of properties	4	0
Additive primes	20349th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th
Roman numberals
Base 2	10011100001111111101₂	10011100010000000110₂
Base 3	1012111220121₃	1012111220221₃
Base 4	2130033331₄	2130100012₄
Base 5	130434442₅	130440011₅
Base 6	21414541₆	21414554₆
Base 7	5303611₇	5303623₇
Base 8	2341775₈	2342006₈
Base 9	1174817₉	1174827₉
Base 10	639997₁₀	640006₁₀
Base 11	3a7926₁₁	3a7934₁₁
Base 12	26a451₁₂	26a45a₁₂
Base 13	1953c7₁₃	195403₁₃
Base 14	129341₁₄	12934a₁₄
Base 15	c9967₁₅	c9971₁₅
Base 16	9c3fd₁₆	9c406₁₆