3 × 19 × 59 × 641

Prime Factor Structure

Factorization String 3 × 19 × 59 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,081,600

Proper Divisor Sum 925,917

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2155667 ← → #2155691

1 3 19 57 59 177 641 1,121 1,923 3,363 12,179 36,537 37,819 113,457 718,561 2,155,683

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

2,155,683 6,467,050 3,233,525 9,700,576 4,850,288 2,425,144 1,212,572 606,286 303,143 909,430 454,715 1,364,146 682,073 2,046,220 1,023,110 511,555 1,534,666 767,333 2,302,000 1,151,000 575,500 287,750 143,875 431,626 215,813 647,440 323,720 161,860 80,930 40,465 121,396 60,698 30,349 91,048 45,524 22,762 11,381 34,144 17,072 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127 382

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