3 × 5 × 13 × 1439

Prime Factor Structure

Factorization String 3 × 5 × 13 × 1439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 483,840

Proper Divisor Sum 203,235

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #280603 ← → #280607

1 3 5 13 15 39 65 195 1,439 4,317 7,195 18,707 21,585 56,121 93,535 280,605

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

280,605 841,816 420,908 210,454 105,227 315,682 157,841 473,524 236,762 118,381 355,144 177,572 88,786 44,393 133,180 66,590 33,295 99,886 49,943 149,830 74,915 224,746 112,373 337,120 168,560 84,280 42,140 21,070 10,535 31,606 15,803 47,410 23,705 71,116 35,558 17,779 53,338 26,669 80,008 40,004 20,002 10,001 30,004 15,002 7,501 22,504 11,252 5,626 2,813 8,440 4,220 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690

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