Integer Profile

2,155,780

2^2 × 5 × 11 × 41 × 239

Prime factors, divisor sums, positional representations and sequence properties for 2,155,780. The prime factorization is 2^2 × 5 × 11 × 41 × 239.

Number of positive divisors: 48. Showing the recorded part of the sequence: 73.

AbundantEvenComposite

Divisor catalog (48)

124510112022414455821101642052202394104514788209029561,1951,8042,2552,3902,6294,5104,7805,2589,0209,79910,51613,14519,59826,29039,19648,99552,58097,990107,789195,980215,578431,156538,9451,077,8902,155,780

Showing 48 of 48.

Collatz trajectory (73 steps)

Even: n → n/2; Odd: n → 3n + 1

2,155,7801,077,890538,9451,616,836808,418404,2091,212,628606,314303,157909,472454,736227,368113,68456,84228,42185,26442,63221,31610,6585,32915,9887,9943,99711,9925,9962,9981,4994,4982,2496,7483,3741,6875,0622,5317,5943,79711,3925,6962,8481,4247123561788926813467202101304152763819582988442211

Showing 60 of 60.

Prime factorization

Factorization: 2^2 × 5 × 11 × 41 × 239
Distinct prime factors: 5
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 48
Divisor sum: 5,080,320
Proper-divisor sum: 2,924,540
Digit sum: 28
Digital root: 1

Number bases

Decimal: 2155780
Binary: 1000001110010100000100 (22 bits)
Octal: 0o10162404
Hexadecimal: 0x20E504