Integer Profile

1,287,955

5 × 257591

Prime factors, divisor sums, positional representations and sequence properties for 1,287,955. The prime factorization is 5 × 257591.

Number of positive divisors: 4. Showing the recorded part of the sequence: 155.

DeficientOddComposite

Arithmetic properties

Positive divisors: 4
Divisor sum: 1,545,552
Proper-divisor sum: 257,597
Digit sum: 37
Digital root: 1

Number bases

Decimal: 1287955
Binary: 100111010011100010011 (21 bits)
Octal: 0o4723423
Hexadecimal: 0x13A713

Divisor catalog (4)

15257,5911,287,955

Showing 4 of 4.

Collatz trajectory (155 steps)

Even: n → n/2; Odd: n → 3n + 1

1,287,9553,863,8661,931,9335,795,8002,897,9001,448,950724,4752,173,4261,086,7133,260,1401,630,070815,0352,445,1061,222,5533,667,6601,833,830916,9152,750,7461,375,3734,126,1202,063,0601,031,530515,7651,547,296773,648386,824193,41296,70648,353145,06072,53036,265108,79654,39827,19981,59840,799122,39861,199183,59891,799275,398137,699413,098206,549619,648309,824154,91277,45638,72819,3649,6824,84114,5247,2623,63110,8945,44716,3428,171

Showing 60 of 60.

Prime factorization

Factorization: 5 × 257591
Distinct prime factors: 2
Perfect square: No
Parity: Odd