Integer Atlas 03

Integer Profile

128,475

3^2 × 5^2 × 571

Prime factors, divisor sums, positional representations and sequence properties for 128,475. The prime factorization is 3^2 × 5^2 × 571.

Number of positive divisors: 18. Collatz steps to reach 1: 56.

DeficientOddComposite

Collatz trajectory (56 steps)

Even: n → n/2; Odd: n → 3n + 1

Showing 57 of 57.

Prime factorization

Factorization
3^2 × 5^2 × 571
Distinct prime factors
3
Perfect square
No
Parity
Odd

Arithmetic properties

Positive divisors
18
Divisor sum
230,516
Proper-divisor sum
102,041
Digit sum
27
Digital root
9

Number bases

Decimal
128475
Binary
11111010111011011 (17 bits)
Octal
0o372733
Hexadecimal
0x1F5DB

Divisor catalog (18)

Showing 18 of 18.

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