991 × 1009

Prime Factor Structure

Factorization String 991 × 1009

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,001,920

Proper Divisor Sum 2,001

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #999917 ← → #999931

1 991 1,009 999,919

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

999,919 2,999,758 1,499,879 4,499,638 2,249,819 6,749,458 3,374,729 10,124,188 5,062,094 2,531,047 7,593,142 3,796,571 11,389,714 5,694,857 17,084,572 8,542,286 4,271,143 12,813,430 6,406,715 19,220,146 9,610,073 28,830,220 14,415,110 7,207,555 21,622,666 10,811,333 32,434,000 16,217,000 8,108,500 4,054,250 2,027,125 6,081,376 3,040,688 1,520,344 760,172 380,086 190,043 570,130 285,065 855,196 427,598 213,799 641,398 320,699 962,098 481,049 1,443,148 721,574 360,787 1,082,362 541,181 1,623,544 811,772 405,886 202,943 608,830 304,415 913,246 456,623 1,369,870

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