Integer Profile

405,765

3^2 × 5 × 71 × 127

Prime factors, divisor sums, positional representations and sequence properties for 405,765. The prime factorization is 3^2 × 5 × 71 × 127.

Number of positive divisors: 24. Showing the recorded part of the sequence: 60.

DeficientOddComposite

Divisor catalog (24)

13591545711272133553816356391,0651,1431,9053,1955,7159,01727,05145,08581,153135,255405,765

Showing 24 of 24.

Collatz trajectory (60 steps)

Even: n → n/2; Odd: n → 3n + 1

405,7651,217,296608,648304,324152,16276,081228,244114,12257,061171,18485,59242,79621,39810,69932,09816,04948,14824,07412,03736,11218,0569,0284,5142,2576,7723,3861,6935,0802,5401,2706351,9069532,8601,4307152,1461,0733,2201,6108052,4161,2086043021514542276823411,024512256128643216842

Showing 60 of 60.

Prime factorization

Factorization: 3^2 × 5 × 71 × 127
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 24
Divisor sum: 718,848
Proper-divisor sum: 313,083
Digit sum: 27
Digital root: 9

Number bases

Decimal: 405765
Binary: 1100011000100000101 (19 bits)
Octal: 0o1430405
Hexadecimal: 0x63105