7 × 13 × 71 × 127

Prime Factor Structure

Factorization String 7 × 13 × 71 × 127

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,032,192

Proper Divisor Sum 211,645

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #820541 ← → #820559

1 7 13 71 91 127 497 889 923 1,651 6,461 9,017 11,557 63,119 117,221 820,547

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

820,547 2,461,642 1,230,821 3,692,464 1,846,232 923,116 461,558 230,779 692,338 346,169 1,038,508 519,254 259,627 778,882 389,441 1,168,324 584,162 292,081 876,244 438,122 219,061 657,184 328,592 164,296 82,148 41,074 20,537 61,612 30,806 15,403 46,210 23,105 69,316 34,658 17,329 51,988 25,994 12,997 38,992 19,496 9,748 4,874 2,437 7,312 3,656 1,828 914 457 1,372 686 343 1,030 515 1,546 773 2,320 1,160 580 290 145

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