Integer Profile

7,821,765

3^4 × 5 × 7 × 31 × 89

Prime factors, divisor sums, positional representations and sequence properties for 7,821,765. The prime factorization is 3^4 × 5 × 7 × 31 × 89.

Number of positive divisors: 80. Collatz steps to reach 1: 41.

AbundantOddComposite

Collatz trajectory (41 steps)

Even: n → n/2; Odd: n → 3n + 1

7,821,76523,465,29611,732,6485,866,3242,933,1621,466,5814,399,7442,199,8721,099,936549,968274,984137,49268,74634,373103,12051,56025,78012,8906,44519,3369,6684,8342,4177,2523,6261,8135,4402,7201,360680340170852561286432168421

Showing 42 of 42.

Prime factorization

Factorization: 3^4 × 5 × 7 × 31 × 89
Distinct prime factors: 5
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 80
Divisor sum: 16,727,040
Proper-divisor sum: 8,905,275
Digit sum: 36
Digital root: 9

Number bases

Decimal: 7821765
Binary: 11101110101100111000101 (23 bits)
Octal: 0o35654705
Hexadecimal: 0x7759C5

Divisor catalog (80)

13579152127313545638189931051351551892172672793154054454655676236518018379451,0851,3351,3951,8691,9532,4032,5112,7592,8353,1153,2554,0054,1855,6075,8597,2098,2779,3459,76512,01512,55513,79516,82117,57719,31324,83128,03529,295

Showing 60 of 80.