Compare 20991 vs 20997

Property	20991	20997
Type	semiprime	composite number
Unique factors	2	2
Total factors	2	3
Prime factorization	3¹ × 6997¹	3² × 2333¹
Prime factorization	3 × 6997	3 × 3 × 2333
Divisors count	4	6
Divisors	1, 3, 6997, 20991	1, 3, 9, 2333, 6999, 20997
Number of properties	1	0
Semiprimes	5325th
Roman numberals
Base 2	101000111111111₂	101001000000101₂
Base 3	1001210110₃	1001210200₃
Base 4	11013333₄	11020011₄
Base 5	1132431₅	1132442₅
Base 6	241103₆	241113₆
Base 7	115125₇	115134₇
Base 8	50777₈	51005₈
Base 9	31713₉	31720₉
Base 10	20991₁₀	20997₁₀
Base 11	14853₁₁	14859₁₁
Base 12	10193₁₂	10199₁₂
Base 13	9729₁₃	9732₁₃
Base 14	7915₁₄	791b₁₄
Base 15	6346₁₅	634c₁₅
Base 16	51ff₁₆	5205₁₆