Integer Profile

2,142,561

3 × 17 × 43 × 977

Prime factors, divisor sums, positional representations and sequence properties for 2,142,561. The prime factorization is 3 × 17 × 43 × 977.

Number of positive divisors: 16. Showing the recorded part of the sequence: 96.

DeficientOddComposite

Divisor catalog (16)

131743511297319772,1932,93116,60942,01149,827126,033714,1872,142,561

Showing 16 of 16.

Collatz trajectory (96 steps)

Even: n → n/2; Odd: n → 3n + 1

2,142,5616,427,6843,213,8421,606,9214,820,7642,410,3821,205,1913,615,5741,807,7875,423,3622,711,6818,135,0444,067,5222,033,7616,101,2843,050,6421,525,3214,575,9642,287,9821,143,9913,431,9741,715,9875,147,9622,573,9817,721,9443,860,9721,930,486965,2432,895,7301,447,8654,343,5962,171,7981,085,8993,257,6981,628,8494,886,5482,443,2741,221,6373,664,9121,832,456916,228458,114229,057687,172343,586171,793515,380257,690128,845386,536193,26896,63448,317144,95272,47636,23818,11954,35827,17981,538

Showing 60 of 60.

Prime factorization

Factorization: 3 × 17 × 43 × 977
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 16
Divisor sum: 3,098,304
Proper-divisor sum: 955,743
Digit sum: 21
Digital root: 3

Number bases

Decimal: 2142561
Binary: 1000001011000101100001 (22 bits)
Octal: 0o10130541
Hexadecimal: 0x20B161