7 × 21739

Prime Factor Structure

Factorization String 7 × 21739

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 173,920

Proper Divisor Sum 21,747

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #152147 ← → #152183

1 7 21,739 152,173

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

152,173 456,520 228,260 114,130 57,065 171,196 85,598 42,799 128,398 64,199 192,598 96,299 288,898 144,449 433,348 216,674 108,337 325,012 162,506 81,253 243,760 121,880 60,940 30,470 15,235 45,706 22,853 68,560 34,280 17,140 8,570 4,285 12,856 6,428 3,214 1,607 4,822 2,411 7,234 3,617 10,852 5,426 2,713 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

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