3 × 5 × 20897

Prime Factor Structure

Factorization String 3 × 5 × 20897

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 501,552

Proper Divisor Sum 188,097

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #313409 ← → #313471

1 3 5 15 20,897 62,691 104,485 313,455

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

313,455 940,366 470,183 1,410,550 705,275 2,115,826 1,057,913 3,173,740 1,586,870 793,435 2,380,306 1,190,153 3,570,460 1,785,230 892,615 2,677,846 1,338,923 4,016,770 2,008,385 6,025,156 3,012,578 1,506,289 4,518,868 2,259,434 1,129,717 3,389,152 1,694,576 847,288 423,644 211,822 105,911 317,734 158,867 476,602 238,301 714,904 357,452 178,726 89,363 268,090 134,045 402,136 201,068 100,534 50,267 150,802 75,401 226,204 113,102 56,551 169,654 84,827 254,482 127,241 381,724 190,862 95,431 286,294 143,147 429,442

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