Integer Profile

1,220,418

2 × 3^2 × 67801

Prime factors, divisor sums, positional representations and sequence properties for 1,220,418. The prime factorization is 2 × 3^2 × 67801.

Number of positive divisors: 12. Showing the recorded part of the sequence: 111.

AbundantEvenComposite

Collatz trajectory (111 steps)

Even: n → n/2; Odd: n → 3n + 1

1,220,418610,2091,830,628915,314457,6571,372,972686,486343,2431,029,730514,8651,544,596772,298386,1491,158,448579,224289,612144,80672,403217,210108,605325,816162,90881,45440,727122,18261,091183,27491,637274,912137,45668,72834,36417,1828,59125,77412,88738,66219,33157,99428,99786,99243,49621,74810,8745,43716,3128,1564,0782,0396,1183,0599,1784,58913,7686,8843,4421,7215,1642,5821,291

Showing 60 of 60.

Prime factorization

Factorization: 2 × 3^2 × 67801
Distinct prime factors: 3
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 12
Divisor sum: 2,644,278
Proper-divisor sum: 1,423,860
Digit sum: 18
Digital root: 9

Number bases

Decimal: 1220418
Binary: 100101001111101000010 (21 bits)
Octal: 0o4517502
Hexadecimal: 0x129F42

Divisor catalog (12)

123691867,801135,602203,403406,806610,2091,220,418

Showing 12 of 12.