3 × 13 × 31 × 2179

Prime Factor Structure

Factorization String 3 × 13 × 31 × 2179

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,906,560

Proper Divisor Sum 1,272,149

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2634403 ← → #2634419

1 3 13 31 39 93 403 1,209 2,179 6,537 28,327 67,549 84,981 202,647 878,137 2,634,411

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

2,634,411 7,903,234 3,951,617 11,854,852 5,927,426 2,963,713 8,891,140 4,445,570 2,222,785 6,668,356 3,334,178 1,667,089 5,001,268 2,500,634 1,250,317 3,750,952 1,875,476 937,738 468,869 1,406,608 703,304 351,652 175,826 87,913 263,740 131,870 65,935 197,806 98,903 296,710 148,355 445,066 222,533 667,600 333,800 166,900 83,450 41,725 125,176 62,588 31,294 15,647 46,942 23,471 70,414 35,207 105,622 52,811 158,434 79,217 237,652 118,826 59,413 178,240 89,120 44,560 22,280 11,140 5,570 2,785

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