Integer Profile

1,220,661

3^2 × 13 × 10433

Prime factors, divisor sums, positional representations and sequence properties for 1,220,661. The prime factorization is 3^2 × 13 × 10433.

Number of positive divisors: 12. Collatz steps to reach 1: 59.

DeficientOddComposite

Divisor catalog (12)

139133911710,43331,29993,897135,629406,8871,220,661

Showing 12 of 12.

Collatz trajectory (59 steps)

Even: n → n/2; Odd: n → 3n + 1

1,220,6613,661,9841,830,992915,496457,748228,874114,437343,312171,65685,82842,91421,45764,37232,18616,09348,28024,14012,0706,03518,1069,05327,16013,5806,7903,39510,1865,09315,2807,6403,8201,9109552,8661,4334,3002,1501,0753,2261,6134,8402,4201,2106051,8169084542276823411,0245122561286432168421

Showing 60 of 60.

Prime factorization

Factorization: 3^2 × 13 × 10433
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 12
Divisor sum: 1,898,988
Proper-divisor sum: 678,327
Digit sum: 18
Digital root: 9

Number bases

Decimal: 1220661
Binary: 100101010000000110101 (21 bits)
Octal: 0o4520065
Hexadecimal: 0x12A035