Integer Profile

989,865

3^2 × 5 × 21997

Prime factors, divisor sums, positional representations and sequence properties for 989,865. The prime factorization is 3^2 × 5 × 21997.

Number of positive divisors: 12. Showing the recorded part of the sequence: 165.

DeficientOddComposite

Collatz trajectory (165 steps)

Even: n → n/2; Odd: n → 3n + 1

989,8652,969,5961,484,798742,3992,227,1981,113,5993,340,7981,670,3995,011,1982,505,5997,516,7983,758,39911,275,1985,637,59916,912,7988,456,39925,369,19812,684,59938,053,79819,026,89957,080,69828,540,34985,621,04842,810,52421,405,26210,702,63132,107,89416,053,94748,161,84224,080,92172,242,76436,121,38218,060,69154,182,07427,091,03781,273,11240,636,55620,318,27810,159,13930,477,41815,238,70945,716,12822,858,06411,429,0325,714,5162,857,2581,428,6294,285,8882,142,9441,071,472535,736267,868133,93466,967200,902100,451301,354150,677452,032226,016

Showing 60 of 60.

Prime factorization

Factorization: 3^2 × 5 × 21997
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 12
Divisor sum: 1,715,844
Proper-divisor sum: 725,979
Digit sum: 45
Digital root: 9

Number bases

Decimal: 989865
Binary: 11110001101010101001 (20 bits)
Octal: 0o3615251
Hexadecimal: 0xF1AA9

Divisor catalog (12)

1359154521,99765,991109,985197,973329,955989,865

Showing 12 of 12.