13 × 31 × 73 × 653

Prime Factor Structure

Factorization String 13 × 31 × 73 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 21,681,408

Proper Divisor Sum 2,470,801

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #19210603 ← → #19210621

1 13 31 73 403 653 949 2,263 8,489 20,243 29,419 47,669 263,159 619,697 1,477,739 19,210,607

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

19,210,607 57,631,822 28,815,911 86,447,734 43,223,867 129,671,602 64,835,801 194,507,404 97,253,702 48,626,851 145,880,554 72,940,277 218,820,832 109,410,416 54,705,208 27,352,604 13,676,302 6,838,151 20,514,454 10,257,227 30,771,682 15,385,841 46,157,524 23,078,762 11,539,381 34,618,144 17,309,072 8,654,536 4,327,268 2,163,634 1,081,817 3,245,452 1,622,726 811,363 2,434,090 1,217,045 3,651,136 1,825,568 912,784 456,392 228,196 114,098 57,049 171,148 85,574 42,787 128,362 64,181 192,544 96,272 48,136 24,068 12,034 6,017 18,052 9,026 4,513 13,540 6,770 3,385

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