2 × 13 × 211 × 257

Prime Factor Structure

Factorization String 2 × 13 × 211 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,297,232

Proper Divisor Sum 887,330

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1409899 ← → #1409917

1 2 13 26 211 257 422 514 2,743 3,341 5,486 6,682 54,227 108,454 704,951 1,409,902

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

1,409,902 704,951 2,114,854 1,057,427 3,172,282 1,586,141 4,758,424 2,379,212 1,189,606 594,803 1,784,410 892,205 2,676,616 1,338,308 669,154 334,577 1,003,732 501,866 250,933 752,800 376,400 188,200 94,100 47,050 23,525 70,576 35,288 17,644 8,822 4,411 13,234 6,617 19,852 9,926 4,963 14,890 7,445 22,336 11,168 5,584 2,792 1,396 698 349 1,048 524 262 131 394 197 592 296 148 74 37 112 56 28 14 7

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