Compare 640021 vs 640054

Property	640021	640054
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	23¹ × 27827¹	2¹ × 320027¹
Prime factorization	23 × 27827	2 × 320027
Divisors count	4	4
Divisors	1, 23, 27827, 640021	1, 2, 320027, 640054
Number of properties	1	1
Semiprimes	137148th	137154th
Roman numberals
Base 2	10011100010000010101₂	10011100010000110110₂
Base 3	1012111221111₃	1012111222201₃
Base 4	2130100111₄	2130100312₄
Base 5	130440041₅	130440204₅
Base 6	21415021₆	21415114₆
Base 7	5303644₇	5304022₇
Base 8	2342025₈	2342066₈
Base 9	1174844₉	1174881₉
Base 10	640021₁₀	640054₁₀
Base 11	3a7948₁₁	3a7978₁₁
Base 12	26a471₁₂	26a49a₁₂
Base 13	195415₁₃	19543c₁₃
Base 14	12935b₁₄	129382₁₄
Base 15	c9981₁₅	c99a4₁₅
Base 16	9c415₁₆	9c436₁₆