3 × 7 × 13 × 1493

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1493

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 669,312

Proper Divisor Sum 261,723

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #407587 ← → #407599

1 3 7 13 21 39 91 273 1,493 4,479 10,451 19,409 31,353 58,227 135,863 407,589

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

407,589 1,222,768 611,384 305,692 152,846 76,423 229,270 114,635 343,906 171,953 515,860 257,930 128,965 386,896 193,448 96,724 48,362 24,181 72,544 36,272 18,136 9,068 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591

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