5 × 13 × 31 × 809

Prime Factor Structure

Factorization String 5 × 13 × 31 × 809

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,177,280

Proper Divisor Sum 547,145

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1630133 ← → #1630141

1 5 13 31 65 155 403 809 2,015 4,045 10,517 25,079 52,585 125,395 326,027 1,630,135

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

1,630,135 4,890,406 2,445,203 7,335,610 3,667,805 11,003,416 5,501,708 2,750,854 1,375,427 4,126,282 2,063,141 6,189,424 3,094,712 1,547,356 773,678 386,839 1,160,518 580,259 1,740,778 870,389 2,611,168 1,305,584 652,792 326,396 163,198 81,599 244,798 122,399 367,198 183,599 550,798 275,399 826,198 413,099 1,239,298 619,649 1,858,948 929,474 464,737 1,394,212 697,106 348,553 1,045,660 522,830 261,415 784,246 392,123 1,176,370 588,185 1,764,556 882,278 441,139 1,323,418 661,709 1,985,128 992,564 496,282 248,141 744,424 372,212

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