Compare 81405 vs 81409

Property	81405	81409
Type	composite number	prime
Unique factors	3	1
Total factors	7	1
Prime factorization	3⁵ × 5¹ × 67¹	81409¹
Prime factorization	3 × 3 × 3 × 3 × 3 × 5 × 67	81409
Divisors count	24	2
Divisors	1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 243, 335, 405, 603, 1005, 1215, 1809, 3015, 5427, 9045, 16281, 27135, 81405	1, 81409
Number of properties	0	5
Harmonic primes		3007th
Isolated primes		5915th
Primes		7966th
Proth primes		92nd
Pythagorean primes		3969th
Roman numberals
Base 2	10011110111111101₂	10011111000000001₂
Base 3	11010200000₃	11010200011₃
Base 4	103313331₄	103320001₄
Base 5	10101110₅	10101114₅
Base 6	1424513₆	1424521₆
Base 7	456222₇	456226₇
Base 8	236775₈	237001₈
Base 9	133600₉	133604₉
Base 10	81405₁₀	81409₁₀
Base 11	56185₁₁	56189₁₁
Base 12	3b139₁₂	3b141₁₂
Base 13	2b08c₁₃	2b093₁₃
Base 14	21949₁₄	2194d₁₄
Base 15	191c0₁₅	191c4₁₅
Base 16	13dfd₁₆	13e01₁₆