Integer Profile

2,123,991

3^2 × 19 × 12421

Prime factors, divisor sums, positional representations and sequence properties for 2,123,991. The prime factorization is 3^2 × 19 × 12421.

Number of positive divisors: 12. Showing the recorded part of the sequence: 347.

DeficientOddComposite

Collatz trajectory (347 steps)

Even: n → n/2; Odd: n → 3n + 1

2,123,9916,371,9743,185,9879,557,9624,778,98114,336,9447,168,4723,584,2361,792,118896,0592,688,1781,344,0894,032,2682,016,1341,008,0673,024,2021,512,1014,536,3042,268,1521,134,076567,038283,519850,558425,2791,275,838637,9191,913,758956,8792,870,6381,435,3194,305,9582,152,9796,458,9383,229,4699,688,4084,844,2042,422,1021,211,0513,633,1541,816,5775,449,7322,724,8661,362,4334,087,3002,043,6501,021,8253,065,4761,532,738766,3692,299,1081,149,554574,7771,724,332862,166431,0831,293,250646,6251,939,876969,938484,969

Showing 60 of 60.

Prime factorization

Factorization: 3^2 × 19 × 12421
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 12
Divisor sum: 3,229,720
Proper-divisor sum: 1,105,729
Digit sum: 27
Digital root: 9

Number bases

Decimal: 2123991
Binary: 1000000110100011010111 (22 bits)
Octal: 0o10064327
Hexadecimal: 0x2068D7

Divisor catalog (12)

139195717112,42137,263111,789235,999707,9972,123,991

Showing 12 of 12.