13 × 31 × 1787

Prime Factor Structure

Factorization String 13 × 31 × 1787

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 801,024

Proper Divisor Sum 80,863

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #720151 ← → #720173

1 13 31 403 1,787 23,231 55,397 720,161

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

720,161 2,160,484 1,080,242 540,121 1,620,364 810,182 405,091 1,215,274 607,637 1,822,912 911,456 455,728 227,864 113,932 56,966 28,483 85,450 42,725 128,176 64,088 32,044 16,022 8,011 24,034 12,017 36,052 18,026 9,013 27,040 13,520 6,760 3,380 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22

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