Compare 1639 vs 1642

Property	1639	1642
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	11¹ × 149¹	2¹ × 821¹
Prime factorization	11 × 149	2 × 821
Divisors count	4	4
Divisors	1, 11, 149, 1639	1, 2, 821, 1642
Number of properties	1	1
Semiprimes	469th	471st
Roman numberals	MDCXXXIX	MDCXLII
Base 2	11001100111₂	11001101010₂
Base 3	2020201₃	2020211₃
Base 4	121213₄	121222₄
Base 5	23024₅	23032₅
Base 6	11331₆	11334₆
Base 7	4531₇	4534₇
Base 8	3147₈	3152₈
Base 9	2221₉	2224₉
Base 10	1639₁₀	1642₁₀
Base 11	1260₁₁	1263₁₁
Base 12	b47₁₂	b4a₁₂
Base 13	991₁₃	994₁₃
Base 14	851₁₄	854₁₄
Base 15	744₁₅	747₁₅
Base 16	667₁₆	66a₁₆