Compare 640020 vs 640031

Property	640020	640031
Type	composite number	semiprime
Unique factors	4	2
Total factors	5	2
Prime factorization	2² × 3¹ × 5¹ × 10667¹	7¹ × 91433¹
Prime factorization	2 × 2 × 3 × 5 × 10667	7 × 91433
Divisors count	24	4
Divisors	1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10667, 21334, 32001, 42668, 53335, 64002, 106670, 128004, 160005, 213340, 320010, 640020	1, 7, 91433, 640031
Number of properties	0	1
Semiprimes		137150th
Roman numberals
Base 2	10011100010000010100₂	10011100010000011111₂
Base 3	1012111221110₃	1012111221212₃
Base 4	2130100110₄	2130100133₄
Base 5	130440040₅	130440111₅
Base 6	21415020₆	21415035₆
Base 7	5303643₇	5303660₇
Base 8	2342024₈	2342037₈
Base 9	1174843₉	1174855₉
Base 10	640020₁₀	640031₁₀
Base 11	3a7947₁₁	3a7957₁₁
Base 12	26a470₁₂	26a47b₁₂
Base 13	195414₁₃	195422₁₃
Base 14	12935a₁₄	129367₁₄
Base 15	c9980₁₅	c998b₁₅
Base 16	9c414₁₆	9c41f₁₆