11 × 13² × 1987

Prime Factor Structure

Factorization String 11 × 13^2 × 1987

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,365,648

Proper Divisor Sum 671,815

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #3693791 ← → #3693839

1 11 13 143 169 1,859 1,987 21,857 25,831 284,141 335,803 3,693,833

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

3,693,833 11,081,500 5,540,750 2,770,375 8,311,126 4,155,563 12,466,690 6,233,345 18,700,036 9,350,018 4,675,009 14,025,028 7,012,514 3,506,257 10,518,772 5,259,386 2,629,693 7,889,080 3,944,540 1,972,270 986,135 2,958,406 1,479,203 4,437,610 2,218,805 6,656,416 3,328,208 1,664,104 832,052 416,026 208,013 624,040 312,020 156,010 78,005 234,016 117,008 58,504 29,252 14,626 7,313 21,940 10,970 5,485 16,456 8,228 4,114 2,057 6,172 3,086 1,543 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816 3,908

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