2³ × 5 × 20407

Prime Factor Structure

Factorization String 2^3 × 5 × 20407

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,836,720

Proper Divisor Sum 1,020,440

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #816271 ← → #816317

1 2 4 5 8 10 20 40 20,407 40,814 81,628 102,035 163,256 204,070 408,140 816,280

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

816,280 408,140 204,070 102,035 306,106 153,053 459,160 229,580 114,790 57,395 172,186 86,093 258,280 129,140 64,570 32,285 96,856 48,428 24,214 12,107 36,322 18,161 54,484 27,242 13,621 40,864 20,432 10,216 5,108 2,554 1,277 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866

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