Integer Profile

1,638,140

2^2 × 5 × 7 × 11701

Prime factors, divisor sums, positional representations and sequence properties for 1,638,140. The prime factorization is 2^2 × 5 × 7 × 11701.

Number of positive divisors: 24. Showing the recorded part of the sequence: 145.

AbundantEvenComposite

Arithmetic properties

Positive divisors: 24
Divisor sum: 3,931,872
Proper-divisor sum: 2,293,732
Digit sum: 23
Digital root: 5

Number bases

Decimal: 1638140
Binary: 110001111111011111100 (21 bits)
Octal: 0o6177374
Hexadecimal: 0x18FEFC

Divisor catalog (24)

1245710142028357014011,70123,40246,80458,50581,907117,010163,814234,020327,628409,535819,0701,638,140

Showing 24 of 24.

Collatz trajectory (145 steps)

Even: n → n/2; Odd: n → 3n + 1

1,638,140819,070409,5351,228,606614,3031,842,910921,4552,764,3661,382,1834,146,5502,073,2756,219,8263,109,9139,329,7404,664,8702,332,4356,997,3063,498,65310,495,9605,247,9802,623,9901,311,9953,935,9861,967,9935,903,9802,951,9901,475,9954,427,9862,213,9936,641,9803,320,9901,660,4954,981,4862,490,7437,472,2303,736,11511,208,3465,604,17316,812,5208,406,2604,203,1302,101,5656,304,6963,152,3481,576,174788,0872,364,2621,182,1313,546,3941,773,1975,319,5922,659,7961,329,898664,9491,994,848997,424498,712249,356124,67862,339

Showing 60 of 60.

Prime factorization

Factorization: 2^2 × 5 × 7 × 11701
Distinct prime factors: 4
Perfect square: No
Parity: Even