3 × 13 × 19 × 331

Prime Factor Structure

Factorization String 3 × 13 × 19 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 371,840

Proper Divisor Sum 126,569

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #245269 ← → #245279

1 3 13 19 39 57 247 331 741 993 4,303 6,289 12,909 18,867 81,757 245,271

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

245,271 735,814 367,907 1,103,722 551,861 1,655,584 827,792 413,896 206,948 103,474 51,737 155,212 77,606 38,803 116,410 58,205 174,616 87,308 43,654 21,827 65,482 32,741 98,224 49,112 24,556 12,278 6,139 18,418 9,209 27,628 13,814 6,907 20,722 10,361 31,084 15,542 7,771 23,314 11,657 34,972 17,486 8,743 26,230 13,115 39,346 19,673 59,020 29,510 14,755 44,266 22,133 66,400 33,200 16,600 8,300 4,150 2,075 6,226 3,113 9,340

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