3 × 5 × 281 × 389

Prime Factor Structure

Factorization String 3 × 5 × 281 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,639,520

Proper Divisor Sum 999,885

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1639613 ← → #1639663

1 3 5 15 281 389 843 1,167 1,405 1,945 4,215 5,835 109,309 327,927 546,545 1,639,635

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

1,639,635 4,918,906 2,459,453 7,378,360 3,689,180 1,844,590 922,295 2,766,886 1,383,443 4,150,330 2,075,165 6,225,496 3,112,748 1,556,374 778,187 2,334,562 1,167,281 3,501,844 1,750,922 875,461 2,626,384 1,313,192 656,596 328,298 164,149 492,448 246,224 123,112 61,556 30,778 15,389 46,168 23,084 11,542 5,771 17,314 8,657 25,972 12,986 6,493 19,480 9,740 4,870 2,435 7,306 3,653 10,960 5,480 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290

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