13² × 47 × 2693

Prime Factor Structure

Factorization String 13^2 × 47 × 2693

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 23,664,096

Proper Divisor Sum 2,273,597

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #21390497 ← → #21390503

1 13 47 169 611 2,693 7,943 35,009 126,571 455,117 1,645,423 21,390,499

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

21,390,499 64,171,498 32,085,749 96,257,248 48,128,624 24,064,312 12,032,156 6,016,078 3,008,039 9,024,118 4,512,059 13,536,178 6,768,089 20,304,268 10,152,134 5,076,067 15,228,202 7,614,101 22,842,304 11,421,152 5,710,576 2,855,288 1,427,644 713,822 356,911 1,070,734 535,367 1,606,102 803,051 2,409,154 1,204,577 3,613,732 1,806,866 903,433 2,710,300 1,355,150 677,575 2,032,726 1,016,363 3,049,090 1,524,545 4,573,636 2,286,818 1,143,409 3,430,228 1,715,114 857,557 2,572,672 1,286,336 643,168 321,584 160,792 80,396 40,198 20,099 60,298 30,149 90,448 45,224 22,612

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