Integer Atlas 19

Integer Profile

2,561,642

2 × 1280821

Prime factors, divisor sums, positional representations and sequence properties for 2,561,642. The prime factorization is 2 × 1280821.

Number of positive divisors: 4. Showing the recorded part of the sequence: 125.

DeficientEvenComposite

Collatz trajectory (125 steps)

Even: n → n/2; Odd: n → 3n + 1

Showing 60 of 60.

Prime factorization

Factorization
2 × 1280821
Distinct prime factors
2
Perfect square
No
Parity
Even

Arithmetic properties

Positive divisors
4
Divisor sum
3,842,466
Proper-divisor sum
1,280,824
Digit sum
26
Digital root
8

Number bases

Decimal
2561642
Binary
1001110001011001101010 (22 bits)
Octal
0o11613152
Hexadecimal
0x27166A

Divisor catalog (4)

Showing 4 of 4.

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