7 × 13 × 2221

Prime Factor Structure

Factorization String 7 × 13 × 2221

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 248,864

Proper Divisor Sum 46,753

Digit Sum / Digital Root 7 (Root: 7)

Adjacent Primes #202109 ← → #202121

1 7 13 91 2,221 15,547 28,873 202,111

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

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 46,156

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