Compare 640061 vs 640066

Property	640061	640066
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	640061¹	2¹ × 7¹ × 131¹ × 349¹
Prime factorization	640061	2 × 7 × 131 × 349
Divisors count	2	16
Divisors	1, 640061	1, 2, 7, 14, 131, 262, 349, 698, 917, 1834, 2443, 4886, 45719, 91438, 320033, 640066
Number of properties	4	0
Additive primes	20355th
Chen primes	20380th
Isolated primes	40819th
Primes	52082nd
Roman numberals
Base 2	10011100010000111101₂	10011100010001000010₂
Base 3	1012111222222₃	1012112000011₃
Base 4	2130100331₄	2130101002₄
Base 5	130440221₅	130440231₅
Base 6	21415125₆	21415134₆
Base 7	5304032₇	5304040₇
Base 8	2342075₈	2342102₈
Base 9	1174888₉	1175004₉
Base 10	640061₁₀	640066₁₀
Base 11	3a7984₁₁	3a7989₁₁
Base 12	26a4a5₁₂	26a4aa₁₂
Base 13	195446₁₃	19544b₁₃
Base 14	129389₁₄	129390₁₄
Base 15	c99ab₁₅	c99b1₁₅
Base 16	9c43d₁₆	9c442₁₆