Integer Profile

2,166,741

3^2 × 19 × 12671

Prime factors, divisor sums, positional representations and sequence properties for 2,166,741. The prime factorization is 3^2 × 19 × 12671.

Number of positive divisors: 12. Showing the recorded part of the sequence: 117.

DeficientOddComposite

Divisor catalog (12)

139195717112,67138,013114,039240,749722,2472,166,741

Showing 12 of 12.

Collatz trajectory (117 steps)

Even: n → n/2; Odd: n → 3n + 1

2,166,7416,500,2243,250,1121,625,056812,528406,264203,132101,56650,783152,35076,175228,526114,263342,790171,395514,186257,093771,280385,640192,82096,41048,205144,61672,30836,15418,07754,23227,11613,5586,77920,33810,16930,50815,2547,62722,88211,44134,32417,1628,58125,74412,8726,4363,2181,6094,8282,4141,2073,6221,8115,4342,7178,1524,0762,0381,0193,0581,5294,5882,294

Showing 60 of 60.

Prime factorization

Factorization: 3^2 × 19 × 12671
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 12
Divisor sum: 3,294,720
Proper-divisor sum: 1,127,979
Digit sum: 27
Digital root: 9

Number bases

Decimal: 2166741
Binary: 1000010000111111010101 (22 bits)
Octal: 0o10207725
Hexadecimal: 0x210FD5