3 × 5 × 13 × 1721

Prime Factor Structure

Factorization String 3 × 5 × 13 × 1721

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 578,592

Proper Divisor Sum 242,997

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #335591 ← → #335609

1 3 5 13 15 39 65 195 1,721 5,163 8,605 22,373 25,815 67,119 111,865 335,595

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

335,595 1,006,786 503,393 1,510,180 755,090 377,545 1,132,636 566,318 283,159 849,478 424,739 1,274,218 637,109 1,911,328 955,664 477,832 238,916 119,458 59,729 179,188 89,594 44,797 134,392 67,196 33,598 16,799 50,398 25,199 75,598 37,799 113,398 56,699 170,098 85,049 255,148 127,574 63,787 191,362 95,681 287,044 143,522 71,761 215,284 107,642 53,821 161,464 80,732 40,366 20,183 60,550 30,275 90,826 45,413 136,240 68,120 34,060 17,030 8,515 25,546 12,773

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