7 × 13 × 43 × 4289

Prime Factor Structure

Factorization String 7 × 13 × 43 × 4289

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 21,141,120

Proper Divisor Sum 4,358,263

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #16782841 ← → #16782881

1 7 13 43 91 301 559 3,913 4,289 30,023 55,757 184,427 390,299 1,290,989 2,397,551 16,782,857

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

16,782,857 50,348,572 25,174,286 12,587,143 37,761,430 18,880,715 56,642,146 28,321,073 84,963,220 42,481,610 21,240,805 63,722,416 31,861,208 15,930,604 7,965,302 3,982,651 11,947,954 5,973,977 17,921,932 8,960,966 4,480,483 13,441,450 6,720,725 20,162,176 10,081,088 5,040,544 2,520,272 1,260,136 630,068 315,034 157,517 472,552 236,276 118,138 59,069 177,208 88,604 44,302 22,151 66,454 33,227 99,682 49,841 149,524 74,762 37,381 112,144 56,072 28,036 14,018 7,009 21,028 10,514 5,257 15,772 7,886 3,943 11,830 5,915 17,746

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