Compare 21961 vs 21969

Property	21961	21969
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	21961¹	3² × 2441¹
Prime factorization	21961	3 × 3 × 2441
Divisors count	2	6
Divisors	1, 21961	1, 3, 9, 2441, 7323, 21969
Number of properties	5	0
Additive primes	1139th
Chen primes	1206th
Isolated primes	1718th
Primes	2461st
Pythagorean primes	1221st
Roman numberals
Base 2	101010111001001₂	101010111010001₂
Base 3	1010010101₃	1010010200₃
Base 4	11113021₄	11113101₄
Base 5	1200321₅	1200334₅
Base 6	245401₆	245413₆
Base 7	121012₇	121023₇
Base 8	52711₈	52721₈
Base 9	33111₉	33120₉
Base 10	21961₁₀	21969₁₀
Base 11	15555₁₁	15562₁₁
Base 12	10861₁₂	10869₁₂
Base 13	9cc4₁₃	9ccc₁₃
Base 14	8009₁₄	8013₁₄
Base 15	6791₁₅	6799₁₅
Base 16	55c9₁₆	55d1₁₆