Compare 66989 vs 66991

Property	66989	66991
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	13¹ × 5153¹	31¹ × 2161¹
Prime factorization	13 × 5153	31 × 2161
Divisors count	4	4
Divisors	1, 13, 5153, 66989	1, 31, 2161, 66991
Number of properties	1	1
Semiprimes	15994th	15995th
Roman numberals
Base 2	10000010110101101₂	10000010110101111₂
Base 3	10101220002₃	10101220011₃
Base 4	100112231₄	100112233₄
Base 5	4120424₅	4120431₅
Base 6	1234045₆	1234051₆
Base 7	366206₇	366211₇
Base 8	202655₈	202657₈
Base 9	111802₉	111804₉
Base 10	66989₁₀	66991₁₀
Base 11	4636a₁₁	46371₁₁
Base 12	32925₁₂	32927₁₂
Base 13	24650₁₃	24652₁₃
Base 14	1a5ad₁₄	1a5b1₁₄
Base 15	14cae₁₅	14cb1₁₅
Base 16	105ad₁₆	105af₁₆