Compare 66991 vs 66991

Property	66991	66991
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	31¹ × 2161¹	31¹ × 2161¹
Prime factorization	31 × 2161	31 × 2161
Divisors count	4	4
Divisors	1, 31, 2161, 66991	1, 31, 2161, 66991
Number of properties	1	1
Semiprimes	15995th	15995th
Roman numberals
Base 2	10000010110101111₂	10000010110101111₂
Base 3	10101220011₃	10101220011₃
Base 4	100112233₄	100112233₄
Base 5	4120431₅	4120431₅
Base 6	1234051₆	1234051₆
Base 7	366211₇	366211₇
Base 8	202657₈	202657₈
Base 9	111804₉	111804₉
Base 10	66991₁₀	66991₁₀
Base 11	46371₁₁	46371₁₁
Base 12	32927₁₂	32927₁₂
Base 13	24652₁₃	24652₁₃
Base 14	1a5b1₁₄	1a5b1₁₄
Base 15	14cb1₁₅	14cb1₁₅
Base 16	105af₁₆	105af₁₆