Compare 1639 vs 1643

Property	1639	1643
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	11¹ × 149¹	31¹ × 53¹
Prime factorization	11 × 149	31 × 53
Divisors count	4	4
Divisors	1, 11, 149, 1639	1, 31, 53, 1643
Number of properties	1	1
Semiprimes	469th	472nd
Roman numberals	MDCXXXIX	MDCXLIII
Base 2	11001100111₂	11001101011₂
Base 3	2020201₃	2020212₃
Base 4	121213₄	121223₄
Base 5	23024₅	23033₅
Base 6	11331₆	11335₆
Base 7	4531₇	4535₇
Base 8	3147₈	3153₈
Base 9	2221₉	2225₉
Base 10	1639₁₀	1643₁₀
Base 11	1260₁₁	1264₁₁
Base 12	b47₁₂	b4b₁₂
Base 13	991₁₃	995₁₃
Base 14	851₁₄	855₁₄
Base 15	744₁₅	748₁₅
Base 16	667₁₆	66b₁₆