Integer Atlas 10

Integer Profile

642,406

2 × 321203

Prime factors, divisor sums, positional representations and sequence properties for 642,406. The prime factorization is 2 × 321203.

Number of positive divisors: 4. Collatz steps to reach 1: 48.

DeficientEvenComposite

Number bases

Decimal
642406
Binary
10011100110101100110 (20 bits)
Octal
0o2346546
Hexadecimal
0x9CD66

Divisor catalog (4)

Showing 4 of 4.

Collatz trajectory (48 steps)

Even: n → n/2; Odd: n → 3n + 1

Showing 49 of 49.

Prime factorization

Factorization
2 × 321203
Distinct prime factors
2
Perfect square
No
Parity
Even

Arithmetic properties

Positive divisors
4
Divisor sum
963,612
Proper-divisor sum
321,206
Digit sum
22
Digital root
4

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