13 × 17 × 53 × 151

Prime Factor Structure

Factorization String 13 × 17 × 53 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,068,416

Proper Divisor Sum 299,753

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1768661 ← → #1768667

1 13 17 53 151 221 689 901 1,963 2,567 8,003 11,713 33,371 104,039 136,051 1,768,663

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

1,768,663 5,305,990 2,652,995 7,958,986 3,979,493 11,938,480 5,969,240 2,984,620 1,492,310 746,155 2,238,466 1,119,233 3,357,700 1,678,850 839,425 2,518,276 1,259,138 629,569 1,888,708 944,354 472,177 1,416,532 708,266 354,133 1,062,400 531,200 265,600 132,800 66,400 33,200 16,600 8,300 4,150 2,075 6,226 3,113 9,340 4,670 2,335 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743 11,230

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