13² × 107 × 257

Prime Factor Structure

Factorization String 13^2 × 107 × 257

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 5,099,112

Proper Divisor Sum 451,781

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #4647329 ← → #4647347

1 13 107 169 257 1,391 3,341 18,083 27,499 43,433 357,487 4,647,331

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

4,647,331 13,941,994 6,970,997 20,912,992 10,456,496 5,228,248 2,614,124 1,307,062 653,531 1,960,594 980,297 2,940,892 1,470,446 735,223 2,205,670 1,102,835 3,308,506 1,654,253 4,962,760 2,481,380 1,240,690 620,345 1,861,036 930,518 465,259 1,395,778 697,889 2,093,668 1,046,834 523,417 1,570,252 785,126 392,563 1,177,690 588,845 1,766,536 883,268 441,634 220,817 662,452 331,226 165,613 496,840 248,420 124,210 62,105 186,316 93,158 46,579 139,738 69,869 209,608 104,804 52,402 26,201 78,604 39,302 19,651 58,954 29,477

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