Integer Profile

1,281,021

3 × 7 × 61001

Prime factors, divisor sums, positional representations and sequence properties for 1,281,021. The prime factorization is 3 × 7 × 61001.

Number of positive divisors: 8. Showing the recorded part of the sequence: 155.

DeficientOddComposite

Divisor catalog (8)

1372161,001183,003427,0071,281,021

Showing 8 of 8.

Collatz trajectory (155 steps)

Even: n → n/2; Odd: n → 3n + 1

1,281,0213,843,0641,921,532960,766480,3831,441,150720,5752,161,7261,080,8633,242,5901,621,2954,863,8862,431,9437,295,8303,647,91510,943,7465,471,87316,415,6208,207,8104,103,90512,311,7166,155,8583,077,9299,233,7884,616,8942,308,4476,925,3423,462,67110,388,0145,194,00715,582,0227,791,01123,373,03411,686,51735,059,55217,529,7768,764,8884,382,4442,191,2221,095,6113,286,8341,643,4174,930,2522,465,1261,232,5633,697,6901,848,8455,546,5362,773,2681,386,634693,3172,079,9521,039,976519,988259,994129,997389,992194,99697,49848,749

Showing 60 of 60.

Prime factorization

Factorization: 3 × 7 × 61001
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 1,952,064
Proper-divisor sum: 671,043
Digit sum: 15
Digital root: 6

Number bases

Decimal: 1281021
Binary: 100111000101111111101 (21 bits)
Octal: 0o4705775
Hexadecimal: 0x138BFD