Integer Profile

1,280,559

3 × 7 × 17^2 × 211

Prime factors, divisor sums, positional representations and sequence properties for 1,280,559. The prime factorization is 3 × 7 × 17^2 × 211.

Number of positive divisors: 24. Showing the recorded part of the sequence: 124.

DeficientOddComposite

Divisor catalog (24)

1371721511192112893576338671,4772,0233,5874,4316,06910,76125,10960,97975,327182,937426,8531,280,559

Showing 24 of 24.

Collatz trajectory (124 steps)

Even: n → n/2; Odd: n → 3n + 1

1,280,5593,841,6781,920,8395,762,5182,881,2598,643,7784,321,88912,965,6686,482,8343,241,4179,724,2524,862,1262,431,0637,293,1903,646,59510,939,7865,469,89316,409,6808,204,8404,102,4202,051,2101,025,6053,076,8161,538,408769,204384,602192,301576,904288,452144,22672,113216,340108,17054,085162,25681,12840,56420,28210,14130,42415,2127,6063,80311,4105,70517,1168,5584,27912,8386,41919,2589,62928,88814,4447,2223,61110,8345,41716,2528,126

Showing 60 of 60.

Prime factorization

Factorization: 3 × 7 × 17^2 × 211
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 24
Divisor sum: 2,082,688
Proper-divisor sum: 802,129
Digit sum: 30
Digital root: 3

Number bases

Decimal: 1280559
Binary: 100111000101000101111 (21 bits)
Octal: 0o4705057
Hexadecimal: 0x138A2F