Integer Profile

2,158,741

13 × 211 × 787

Prime factors, divisor sums, positional representations and sequence properties for 2,158,741. The prime factorization is 13 × 211 × 787.

Number of positive divisors: 8. Showing the recorded part of the sequence: 166.

DeficientOddComposite

Divisor catalog (8)

1132117872,74310,231166,0572,158,741

Showing 8 of 8.

Collatz trajectory (166 steps)

Even: n → n/2; Odd: n → 3n + 1

2,158,7416,476,2243,238,1121,619,056809,528404,764202,382101,191303,574151,787455,362227,681683,044341,522170,761512,284256,142128,071384,214192,107576,322288,161864,484432,242216,121648,364324,182162,091486,274243,137729,412364,706182,353547,060273,530136,765410,296205,148102,57451,287153,86276,931230,794115,397346,192173,09686,54843,27421,63764,91232,45616,2288,1144,05712,1726,0863,0439,1304,56513,696

Showing 60 of 60.

Prime factorization

Factorization: 13 × 211 × 787
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 2,338,784
Proper-divisor sum: 180,043
Digit sum: 28
Digital root: 1

Number bases

Decimal: 2158741
Binary: 1000001111000010010101 (22 bits)
Octal: 0o10170225
Hexadecimal: 0x20F095