Integer Profile

1,981,726

2 × 23 × 67 × 643

Prime factors, divisor sums, positional representations and sequence properties for 1,981,726. The prime factorization is 2 × 23 × 67 × 643.

Number of positive divisors: 16. Showing the recorded part of the sequence: 215.

DeficientEvenComposite

Number bases

Decimal: 1981726
Binary: 111100011110100011110 (21 bits)
Octal: 0o7436436
Hexadecimal: 0x1E3D1E

Divisor catalog (16)

122346671346431,2861,5413,08214,78929,57843,08186,162990,8631,981,726

Showing 16 of 16.

Collatz trajectory (215 steps)

Even: n → n/2; Odd: n → 3n + 1

1,981,726990,8632,972,5901,486,2954,458,8862,229,4436,688,3303,344,16510,032,4965,016,2482,508,1241,254,062627,0311,881,094940,5472,821,6421,410,8214,232,4642,116,2321,058,116529,058264,529793,588396,794198,397595,192297,596148,79874,399223,198111,599334,798167,399502,198251,099753,298376,6491,129,948564,974282,487847,462423,7311,271,194635,5971,906,792953,396476,698238,349715,048357,524178,76289,381268,144134,07267,03633,51816,75950,27825,13975,418

Showing 60 of 60.

Prime factorization

Factorization: 2 × 23 × 67 × 643
Distinct prime factors: 4
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 16
Divisor sum: 3,153,024
Proper-divisor sum: 1,171,298
Digit sum: 34
Digital root: 7