13 × 43 × 1151

Prime Factor Structure

Factorization String 13 × 43 × 1151

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 709,632

Proper Divisor Sum 66,223

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #643403 ← → #643421

1 13 43 559 1,151 14,963 49,493 643,409

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

643,409 1,930,228 965,114 482,557 1,447,672 723,836 361,918 180,959 542,878 271,439 814,318 407,159 1,221,478 610,739 1,832,218 916,109 2,748,328 1,374,164 687,082 343,541 1,030,624 515,312 257,656 128,828 64,414 32,207 96,622 48,311 144,934 72,467 217,402 108,701 326,104 163,052 81,526 40,763 122,290 61,145 183,436 91,718 45,859 137,578 68,789 206,368 103,184 51,592 25,796 12,898 6,449 19,348 9,674 4,837 14,512 7,256 3,628 1,814 907 2,722 1,361 4,084

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