Integer Profile

1,981,187

13^2 × 19 × 617

Prime factors, divisor sums, positional representations and sequence properties for 1,981,187. The prime factorization is 13^2 × 19 × 617.

Number of positive divisors: 12. Showing the recorded part of the sequence: 215.

DeficientOddComposite

Collatz trajectory (215 steps)

Even: n → n/2; Odd: n → 3n + 1

1,981,1875,943,5622,971,7818,915,3444,457,6722,228,8361,114,418557,2091,671,628835,814417,9071,253,722626,8611,880,584940,292470,146235,073705,220352,610176,305528,916264,458132,229396,688198,34499,17249,58624,79374,38037,19018,59555,78627,89383,68041,84020,92010,4605,2302,6157,8463,92311,7705,88517,6568,8284,4142,2076,6223,3119,9344,96714,9027,45122,35411,17733,53216,7668,38325,15012,575

Showing 60 of 60.

Prime factorization

Factorization: 13^2 × 19 × 617
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 12
Divisor sum: 2,261,880
Proper-divisor sum: 280,693
Digit sum: 35
Digital root: 8

Number bases

Decimal: 1981187
Binary: 111100011101100000011 (21 bits)
Octal: 0o7435403
Hexadecimal: 0x1E3B03

Divisor catalog (12)

113191692476173,2118,02111,723104,273152,3991,981,187

Showing 12 of 12.