13 × 31² × 43

Prime Factor Structure

Factorization String 13 × 31^2 × 43

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 611,688

Proper Divisor Sum 74,489

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #537197 ← → #537221

1 13 31 43 403 559 961 1,333 12,493 17,329 41,323 537,199

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

537,199 1,611,598 805,799 2,417,398 1,208,699 3,626,098 1,813,049 5,439,148 2,719,574 1,359,787 4,079,362 2,039,681 6,119,044 3,059,522 1,529,761 4,589,284 2,294,642 1,147,321 3,441,964 1,720,982 860,491 2,581,474 1,290,737 3,872,212 1,936,106 968,053 2,904,160 1,452,080 726,040 363,020 181,510 90,755 272,266 136,133 408,400 204,200 102,100 51,050 25,525 76,576 38,288 19,144 9,572 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569

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