7 × 13 × 17 × 83

Prime Factor Structure

Factorization String 7 × 13 × 17 × 83

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 169,344

Proper Divisor Sum 40,943

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #128399 ← → #128411

1 7 13 17 83 91 119 221 581 1,079 1,411 1,547 7,553 9,877 18,343 128,401

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

128,401 385,204 192,602 96,301 288,904 144,452 72,226 36,113 108,340 54,170 27,085 81,256 40,628 20,314 10,157 30,472 15,236 7,618 3,809 11,428 5,714 2,857 8,572 4,286 2,143 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900

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