Integer Atlas 20

Integer Profile

1,285,281

3^3 × 181 × 263

Prime factors, divisor sums, positional representations and sequence properties for 1,285,281. The prime factorization is 3^3 × 181 × 263.

Number of positive divisors: 16. Showing the recorded part of the sequence: 217.

DeficientOddComposite

Number bases

Decimal
1285281
Binary
100111001110010100001 (21 bits)
Octal
0o4716241
Hexadecimal
0x139CA1

Divisor catalog (16)

Showing 16 of 16.

Collatz trajectory (217 steps)

Even: n → n/2; Odd: n → 3n + 1

Showing 60 of 60.

Prime factorization

Factorization
3^3 × 181 × 263
Distinct prime factors
3
Perfect square
No
Parity
Odd

Arithmetic properties

Positive divisors
16
Divisor sum
1,921,920
Proper-divisor sum
636,639
Digit sum
27
Digital root
9

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