Integer Profile

1,987,105

5 × 113 × 3517

Prime factors, divisor sums, positional representations and sequence properties for 1,987,105. The prime factorization is 5 × 113 × 3517.

Number of positive divisors: 8. Showing the recorded part of the sequence: 122.

DeficientOddComposite

Arithmetic properties

Positive divisors: 8
Divisor sum: 2,406,312
Proper-divisor sum: 419,207
Digit sum: 31
Digital root: 4

Number bases

Decimal: 1987105
Binary: 111100101001000100001 (21 bits)
Octal: 0o7451041
Hexadecimal: 0x1E5221

Divisor catalog (8)

151135653,51717,585397,4211,987,105

Showing 8 of 8.

Collatz trajectory (122 steps)

Even: n → n/2; Odd: n → 3n + 1

1,987,1055,961,3162,980,6581,490,3294,470,9882,235,4941,117,7473,353,2421,676,6215,029,8642,514,9321,257,466628,7331,886,200943,100471,550235,775707,326353,6631,060,990530,4951,591,486795,7432,387,2301,193,6153,580,8461,790,4235,371,2702,685,6358,056,9064,028,45312,085,3606,042,6803,021,3401,510,670755,3352,266,0061,133,0033,399,0101,699,5055,098,5162,549,2581,274,6293,823,8881,911,944955,972477,986238,993716,980358,490179,245537,736268,868134,43467,217201,652100,82650,413151,24075,620

Showing 60 of 60.

Prime factorization

Factorization: 5 × 113 × 3517
Distinct prime factors: 3
Perfect square: No
Parity: Odd