13 × 19 × 43 × 53

Prime Factor Structure

Factorization String 13 × 19 × 43 × 53

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 665,280

Proper Divisor Sum 102,367

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #562909 ← → #562931

1 13 19 43 53 247 559 689 817 1,007 2,279 10,621 13,091 29,627 43,301 562,913

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

562,913 1,688,740 844,370 422,185 1,266,556 633,278 316,639 949,918 474,959 1,424,878 712,439 2,137,318 1,068,659 3,205,978 1,602,989 4,808,968 2,404,484 1,202,242 601,121 1,803,364 901,682 450,841 1,352,524 676,262 338,131 1,014,394 507,197 1,521,592 760,796 380,398 190,199 570,598 285,299 855,898 427,949 1,283,848 641,924 320,962 160,481 481,444 240,722 120,361 361,084 180,542 90,271 270,814 135,407 406,222 203,111 609,334 304,667 914,002 457,001 1,371,004 685,502 342,751 1,028,254 514,127 1,542,382 771,191

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