3 × 7 × 11³ × 23

Prime Factor Structure

Factorization String 3 × 7 × 11^3 × 23

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,124,352

Proper Divisor Sum 481,479

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #642871 ← → #642877

1 3 7 11 21 23 33 69 77 121 161 231 253 363 483 759 847 1,331 1,771 2,541 2,783 3,993 5,313 8,349 9,317 19,481 27,951 30,613 58,443 91,839 214,291 642,873

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

642,873 1,928,620 964,310 482,155 1,446,466 723,233 2,169,700 1,084,850 542,425 1,627,276 813,638 406,819 1,220,458 610,229 1,830,688 915,344 457,672 228,836 114,418 57,209 171,628 85,814 42,907 128,722 64,361 193,084 96,542 48,271 144,814 72,407 217,222 108,611 325,834 162,917 488,752 244,376 122,188 61,094 30,547 91,642 45,821 137,464 68,732 34,366 17,183 51,550 25,775 77,326 38,663 115,990 57,995 173,986 86,993 260,980 130,490 65,245 195,736 97,868 48,934 24,467

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