2 × 7 × 37 × 991

Prime Factor Structure

Factorization String 2 × 7 × 37 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 904,704

Proper Divisor Sum 391,366

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #513319 ← → #513341

1 2 7 14 37 74 259 518 991 1,982 6,937 13,874 36,667 73,334 256,669 513,338

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

513,338 256,669 770,008 385,004 192,502 96,251 288,754 144,377 433,132 216,566 108,283 324,850 162,425 487,276 243,638 121,819 365,458 182,729 548,188 274,094 137,047 411,142 205,571 616,714 308,357 925,072 462,536 231,268 115,634 57,817 173,452 86,726 43,363 130,090 65,045 195,136 97,568 48,784 24,392 12,196 6,098 3,049 9,148 4,574 2,287 6,862 3,431 10,294 5,147 15,442 7,721 23,164 11,582 5,791 17,374 8,687 26,062 13,031 39,094 19,547

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