2 × 13 × 827741

Prime Factor Structure

Factorization String 2 × 13 × 827741

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 34,765,164

Proper Divisor Sum 13,243,898

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21521263 ← → #21521299

1 2 13 26 827,741 1,655,482 10,760,633 21,521,266

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

21,521,266 10,760,633 32,281,900 16,140,950 8,070,475 24,211,426 12,105,713 36,317,140 18,158,570 9,079,285 27,237,856 13,618,928 6,809,464 3,404,732 1,702,366 851,183 2,553,550 1,276,775 3,830,326 1,915,163 5,745,490 2,872,745 8,618,236 4,309,118 2,154,559 6,463,678 3,231,839 9,695,518 4,847,759 14,543,278 7,271,639 21,814,918 10,907,459 32,722,378 16,361,189 49,083,568 24,541,784 12,270,892 6,135,446 3,067,723 9,203,170 4,601,585 13,804,756 6,902,378 3,451,189 10,353,568 5,176,784 2,588,392 1,294,196 647,098 323,549 970,648 485,324 242,662 121,331 363,994 181,997 545,992 272,996 136,498

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