5² × 8539

Prime Factor Structure

Factorization String 5^2 × 8539

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 264,740

Proper Divisor Sum 51,265

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #213467 ← → #213481

1 5 25 8,539 42,695 213,475

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

213,475 640,426 320,213 960,640 480,320 240,160 120,080 60,040 30,020 15,010 7,505 22,516 11,258 5,629 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788

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