3 × 13 × 71 × 1987

Prime Factor Structure

Factorization String 3 × 13 × 71 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,015,616

Proper Divisor Sum 2,513,613

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #5501989 ← → #5502041

1 3 13 39 71 213 923 1,987 2,769 5,961 25,831 77,493 141,077 423,231 1,834,001 5,502,003

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

5,502,003 16,506,010 8,253,005 24,759,016 12,379,508 6,189,754 3,094,877 9,284,632 4,642,316 2,321,158 1,160,579 3,481,738 1,740,869 5,222,608 2,611,304 1,305,652 652,826 326,413 979,240 489,620 244,810 122,405 367,216 183,608 91,804 45,902 22,951 68,854 34,427 103,282 51,641 154,924 77,462 38,731 116,194 58,097 174,292 87,146 43,573 130,720 65,360 32,680 16,340 8,170 4,085 12,256 6,128 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830

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