2 × 7 × 13 × 2221

Prime Factor Structure

Factorization String 2 × 7 × 13 × 2221

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 746,592

Proper Divisor Sum 342,370

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #404221 ← → #404249

1 2 7 13 14 26 91 182 2,221 4,442 15,547 28,873 31,094 57,746 202,111 404,222

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

404,222 202,111 606,334 303,167 909,502 454,751 1,364,254 682,127 2,046,382 1,023,191 3,069,574 1,534,787 4,604,362 2,302,181 6,906,544 3,453,272 1,726,636 863,318 431,659 1,294,978 647,489 1,942,468 971,234 485,617 1,456,852 728,426 364,213 1,092,640 546,320 273,160 136,580 68,290 34,145 102,436 51,218 25,609 76,828 38,414 19,207 57,622 28,811 86,434 43,217 129,652 64,826 32,413 97,240 48,620 24,310 12,155 36,466 18,233 54,700 27,350 13,675 41,026 20,513 61,540 30,770 15,385

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