Integer Atlas 19

Integer Profile

64,561

7 × 23 × 401

Prime factors, divisor sums, positional representations and sequence properties for 64,561. The prime factorization is 7 × 23 × 401.

Number of positive divisors: 8. Showing the recorded part of the sequence: 192.

DeficientOddComposite

Collatz trajectory (192 steps)

Even: n → n/2; Odd: n → 3n + 1

Showing 60 of 60.

Prime factorization

Factorization
7 × 23 × 401
Distinct prime factors
3
Perfect square
No
Parity
Odd

Arithmetic properties

Positive divisors
8
Divisor sum
77,184
Proper-divisor sum
12,623
Digit sum
22
Digital root
4

Number bases

Decimal
64561
Binary
1111110000110001 (16 bits)
Octal
0o176061
Hexadecimal
0xFC31

Divisor catalog (8)

Showing 8 of 8.

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