2² × 3² × 19121

Prime Factor Structure

Factorization String 2^2 × 3^2 × 19121

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,740,102

Proper Divisor Sum 1,051,746

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #688339 ← → #688357

1 2 3 4 6 9 12 18 36 19,121 38,242 57,363 76,484 114,726 172,089 229,452 344,178 688,356

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

688,356 344,178 172,089 516,268 258,134 129,067 387,202 193,601 580,804 290,402 145,201 435,604 217,802 108,901 326,704 163,352 81,676 40,838 20,419 61,258 30,629 91,888 45,944 22,972 11,486 5,743 17,230 8,615 25,846 12,923 38,770 19,385 58,156 29,078 14,539 43,618 21,809 65,428 32,714 16,357 49,072 24,536 12,268 6,134 3,067 9,202 4,601 13,804 6,902 3,451 10,354 5,177 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.