Compare 21961 vs 21972

Property	21961	21972
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	21961¹	2² × 3¹ × 1831¹
Prime factorization	21961	2 × 2 × 3 × 1831
Divisors count	2	12
Divisors	1, 21961	1, 2, 3, 4, 6, 12, 1831, 3662, 5493, 7324, 10986, 21972
Number of properties	5	0
Additive primes	1139th
Chen primes	1206th
Isolated primes	1718th
Primes	2461st
Pythagorean primes	1221st
Roman numberals
Base 2	101010111001001₂	101010111010100₂
Base 3	1010010101₃	1010010210₃
Base 4	11113021₄	11113110₄
Base 5	1200321₅	1200342₅
Base 6	245401₆	245420₆
Base 7	121012₇	121026₇
Base 8	52711₈	52724₈
Base 9	33111₉	33123₉
Base 10	21961₁₀	21972₁₀
Base 11	15555₁₁	15565₁₁
Base 12	10861₁₂	10870₁₂
Base 13	9cc4₁₃	a002₁₃
Base 14	8009₁₄	8016₁₄
Base 15	6791₁₅	679c₁₅
Base 16	55c9₁₆	55d4₁₆