Integer Atlas 18

Integer Profile

1,221,759

3^2 × 7 × 11 × 41 × 43

Prime factors, divisor sums, positional representations and sequence properties for 1,221,759. The prime factorization is 3^2 × 7 × 11 × 41 × 43.

Number of positive divisors: 48. Showing the recorded part of the sequence: 173.

DeficientOddComposite

Divisor catalog (48)

Showing 48 of 48.

Collatz trajectory (173 steps)

Even: n → n/2; Odd: n → 3n + 1

Showing 60 of 60.

Prime factorization

Factorization
3^2 × 7 × 11 × 41 × 43
Distinct prime factors
5
Perfect square
No
Parity
Odd

Arithmetic properties

Positive divisors
48
Divisor sum
2,306,304
Proper-divisor sum
1,084,545
Digit sum
27
Digital root
9

Number bases

Decimal
1221759
Binary
100101010010001111111 (21 bits)
Octal
0o4522177
Hexadecimal
0x12A47F

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