Integer Atlas 05

Integer Profile

1,321,580

2^2 × 5 × 13^2 × 17 × 23

Prime factors, divisor sums, positional representations and sequence properties for 1,321,580. The prime factorization is 2^2 × 5 × 13^2 × 17 × 23.

Number of positive divisors: 72. Showing the recorded part of the sequence: 168.

AbundantEvenComposite

Number bases

Decimal
1321580
Binary
101000010101001101100 (21 bits)
Octal
0o5025154
Hexadecimal
0x142A6C

Divisor catalog (72)

Showing 60 of 72.

Collatz trajectory (168 steps)

Even: n → n/2; Odd: n → 3n + 1

Showing 60 of 60.

Prime factorization

Factorization
2^2 × 5 × 13^2 × 17 × 23
Distinct prime factors
5
Perfect square
No
Parity
Even

Arithmetic properties

Positive divisors
72
Divisor sum
3,320,352
Proper-divisor sum
1,998,772
Digit sum
20
Digital root
2

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