2 × 7 × 37 × 409

Prime Factor Structure

Factorization String 2 × 7 × 37 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 373,920

Proper Divisor Sum 162,058

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #211859 ← → #211867

1 2 7 14 37 74 259 409 518 818 2,863 5,726 15,133 30,266 105,931 211,862

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

211,862 105,931 317,794 158,897 476,692 238,346 119,173 357,520 178,760 89,380 44,690 22,345 67,036 33,518 16,759 50,278 25,139 75,418 37,709 113,128 56,564 28,282 14,141 42,424 21,212 10,606 5,303 15,910 7,955 23,866 11,933 35,800 17,900 8,950 4,475 13,426 6,713 20,140 10,070 5,035 15,106 7,553 22,660 11,330 5,665 16,996 8,498 4,249 12,748 6,374 3,187 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345

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