Compare 642661 vs 642689

Property	642661	642689
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	31¹ × 20731¹	23¹ × 27943¹
Prime factorization	31 × 20731	23 × 27943
Divisors count	4	4
Divisors	1, 31, 20731, 642661	1, 23, 27943, 642689
Number of properties	1	1
Semiprimes	137704th	137711th
Roman numberals
Base 2	10011100111001100101₂	10011100111010000001₂
Base 3	1012122120021₃	1012122121022₃
Base 4	2130321211₄	2130322001₄
Base 5	131031121₅	131031224₅
Base 6	21435141₆	21435225₆
Base 7	5314435₇	5314505₇
Base 8	2347145₈	2347201₈
Base 9	1178507₉	1178538₉
Base 10	642661₁₀	642689₁₀
Base 11	3a9928₁₁	3a9953₁₁
Base 12	26bab1₁₂	26bb15₁₂
Base 13	196696₁₃	1966b8₁₃
Base 14	12a2c5₁₄	12a305₁₄
Base 15	ca641₁₅	ca65e₁₅
Base 16	9ce65₁₆	9ce81₁₆