Compare 66991 vs 67042

Property	66991	67042
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	31¹ × 2161¹	2¹ × 33521¹
Prime factorization	31 × 2161	2 × 33521
Divisors count	4	4
Divisors	1, 31, 2161, 66991	1, 2, 33521, 67042
Number of properties	1	1
Semiprimes	15995th	16007th
Roman numberals
Base 2	10000010110101111₂	10000010111100010₂
Base 3	10101220011₃	10101222001₃
Base 4	100112233₄	100113202₄
Base 5	4120431₅	4121132₅
Base 6	1234051₆	1234214₆
Base 7	366211₇	366313₇
Base 8	202657₈	202742₈
Base 9	111804₉	111861₉
Base 10	66991₁₀	67042₁₀
Base 11	46371₁₁	46408₁₁
Base 12	32927₁₂	3296a₁₂
Base 13	24652₁₃	24691₁₃
Base 14	1a5b1₁₄	1a60a₁₄
Base 15	14cb1₁₅	14ce7₁₅
Base 16	105af₁₆	105e2₁₆