Integer Profile

1,581,216

2^5 × 3 × 7 × 13 × 181

Prime factors, divisor sums, positional representations and sequence properties for 1,581,216. The prime factorization is 2^5 × 3 × 7 × 13 × 181.

Number of positive divisors: 96. Showing the recorded part of the sequence: 119.

AbundantEvenComposite

Collatz trajectory (119 steps)

Even: n → n/2; Odd: n → 3n + 1

1,581,216790,608395,304197,65298,82649,413148,24074,12037,06018,5309,26527,79613,8986,94920,84810,4245,2122,6061,3033,9101,9555,8662,9338,8004,4002,2001,1005502758264131,2406203101554662337003501755262637903951,1865931,7808904451,3366683341675022517543771,132566283

Showing 60 of 60.

Prime factorization

Factorization: 2^5 × 3 × 7 × 13 × 181
Distinct prime factors: 5
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 96
Divisor sum: 5,136,768
Proper-divisor sum: 3,555,552
Digit sum: 24
Digital root: 6

Number bases

Decimal: 1581216
Binary: 110000010000010100000 (21 bits)
Octal: 0o6020240
Hexadecimal: 0x1820A0

Divisor catalog (96)

12346781213141621242628323942485256788491961041121561681811822082242733123363623644165435466246727247281,0861,0921,2481,2671,4481,4562,1722,1842,3532,5342,8962,9123,8014,3444,368

Showing 60 of 96.