13 × 17 × 1987

Prime Factor Structure

Factorization String 13 × 17 × 1987

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 500,976

Proper Divisor Sum 61,849

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #439123 ← → #439133

1 13 17 221 1,987 25,831 33,779 439,127

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

439,127 1,317,382 658,691 1,976,074 988,037 2,964,112 1,482,056 741,028 370,514 185,257 555,772 277,886 138,943 416,830 208,415 625,246 312,623 937,870 468,935 1,406,806 703,403 2,110,210 1,055,105 3,165,316 1,582,658 791,329 2,373,988 1,186,994 593,497 1,780,492 890,246 445,123 1,335,370 667,685 2,003,056 1,001,528 500,764 250,382 125,191 375,574 187,787 563,362 281,681 845,044 422,522 211,261 633,784 316,892 158,446 79,223 237,670 118,835 356,506 178,253 534,760 267,380 133,690 66,845 200,536 100,268

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