3 × 13 × 53 × 4139

Prime Factor Structure

Factorization String 3 × 13 × 53 × 4139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,519,360

Proper Divisor Sum 3,964,047

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #8555291 ← → #8555317

1 3 13 39 53 159 689 2,067 4,139 12,417 53,807 161,421 219,367 658,101 2,851,771 8,555,313

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

8,555,313 25,665,940 12,832,970 6,416,485 19,249,456 9,624,728 4,812,364 2,406,182 1,203,091 3,609,274 1,804,637 5,413,912 2,706,956 1,353,478 676,739 2,030,218 1,015,109 3,045,328 1,522,664 761,332 380,666 190,333 571,000 285,500 142,750 71,375 214,126 107,063 321,190 160,595 481,786 240,893 722,680 361,340 180,670 90,335 271,006 135,503 406,510 203,255 609,766 304,883 914,650 457,325 1,371,976 685,988 342,994 171,497 514,492 257,246 128,623 385,870 192,935 578,806 289,403 868,210 434,105 1,302,316 651,158 325,579

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