3 × 11 × 131 × 149

Prime Factor Structure

Factorization String 3 × 11 × 131 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 950,400

Proper Divisor Sum 306,273

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #644123 ← → #644129

1 3 11 33 131 149 393 447 1,441 1,639 4,323 4,917 19,519 58,557 214,709 644,127

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

644,127 1,932,382 966,191 2,898,574 1,449,287 4,347,862 2,173,931 6,521,794 3,260,897 9,782,692 4,891,346 2,445,673 7,337,020 3,668,510 1,834,255 5,502,766 2,751,383 8,254,150 4,127,075 12,381,226 6,190,613 18,571,840 9,285,920 4,642,960 2,321,480 1,160,740 580,370 290,185 870,556 435,278 217,639 652,918 326,459 979,378 489,689 1,469,068 734,534 367,267 1,101,802 550,901 1,652,704 826,352 413,176 206,588 103,294 51,647 154,942 77,471 232,414 116,207 348,622 174,311 522,934 261,467 784,402 392,201 1,176,604 588,302 294,151 882,454

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