Compare 181980 vs 181981

Property	181980	181981
Type	composite number	prime
Unique factors	4	1
Total factors	7	1
Prime factorization	2² × 3³ × 5¹ × 337¹	181981¹
Prime factorization	2 × 2 × 3 × 3 × 3 × 5 × 337	181981
Divisors count	48	2
Divisors	1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 337, 540, 674, 1011, 1348, 1685, 2022, 3033, 3370, 4044, 5055, 6066, 6740, 9099, 10110, 12132, 15165, 18198, 20220, 30330, 36396, 45495, 60660, 90990, 181980	1, 181981
Number of properties	0	5
Chen primes		6973rd
Harmonic primes		6180th
Isolated primes		12496th
Primes		16491st
Pythagorean primes		8233rd
Roman numberals
Base 2	101100011011011100₂	101100011011011101₂
Base 3	100020122000₃	100020122001₃
Base 4	230123130₄	230123131₄
Base 5	21310410₅	21310411₅
Base 6	3522300₆	3522301₆
Base 7	1355361₇	1355362₇
Base 8	543334₈	543335₈
Base 9	306560₉	306561₉
Base 10	181980₁₀	181981₁₀
Base 11	1147a7₁₁	1147a8₁₁
Base 12	89390₁₂	89391₁₂
Base 13	64aa6₁₃	64aa7₁₃
Base 14	4a468₁₄	4a469₁₄
Base 15	38dc0₁₅	38dc1₁₅
Base 16	2c6dc₁₆	2c6dd₁₆