821 × 2137

Prime Factor Structure

Factorization String 821 × 2137

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,757,436

Proper Divisor Sum 2,959

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1754461 ← → #1754491

1 821 2,137 1,754,477

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

1,754,477 5,263,432 2,631,716 1,315,858 657,929 1,973,788 986,894 493,447 1,480,342 740,171 2,220,514 1,110,257 3,330,772 1,665,386 832,693 2,498,080 1,249,040 624,520 312,260 156,130 78,065 234,196 117,098 58,549 175,648 87,824 43,912 21,956 10,978 5,489 16,468 8,234 4,117 12,352 6,176 3,088 1,544 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322

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