13 × 128221

Prime Factor Structure

Factorization String 13 × 128221

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,795,108

Proper Divisor Sum 128,235

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1666871 ← → #1666897

1 13 128,221 1,666,873

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

1,666,873 5,000,620 2,500,310 1,250,155 3,750,466 1,875,233 5,625,700 2,812,850 1,406,425 4,219,276 2,109,638 1,054,819 3,164,458 1,582,229 4,746,688 2,373,344 1,186,672 593,336 296,668 148,334 74,167 222,502 111,251 333,754 166,877 500,632 250,316 125,158 62,579 187,738 93,869 281,608 140,804 70,402 35,201 105,604 52,802 26,401 79,204 39,602 19,801 59,404 29,702 14,851 44,554 22,277 66,832 33,416 16,708 8,354 4,177 12,532 6,266 3,133 9,400 4,700 2,350 1,175 3,526 1,763

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