Integer Profile

2,191,181

17 × 61 × 2113

Prime factors, divisor sums, positional representations and sequence properties for 2,191,181. The prime factorization is 17 × 61 × 2113.

Number of positive divisors: 8. Showing the recorded part of the sequence: 91.

DeficientOddComposite

Collatz trajectory (91 steps)

Even: n → n/2; Odd: n → 3n + 1

2,191,1816,573,5443,286,7721,643,386821,6932,465,0801,232,540616,270308,135924,406462,2031,386,610693,3052,079,9161,039,958519,9791,559,938779,9692,339,9081,169,954584,9771,754,932877,466438,7331,316,200658,100329,050164,525493,576246,788123,39461,697185,09292,54646,273138,82069,41034,705104,11652,05826,02978,08839,04419,5229,76129,28414,6427,32121,96410,9825,49116,4748,23724,71212,3566,1783,0899,2684,6342,317

Showing 60 of 60.

Prime factorization

Factorization: 17 × 61 × 2113
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 2,359,224
Proper-divisor sum: 168,043
Digit sum: 23
Digital root: 5

Number bases

Decimal: 2191181
Binary: 1000010110111101001101 (22 bits)
Octal: 0o10267515
Hexadecimal: 0x216F4D

Divisor catalog (8)

117611,0372,11335,921128,8932,191,181

Showing 8 of 8.