2 × 19 × 139 × 787

Prime Factor Structure

Factorization String 2 × 19 × 139 × 787

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,619,200

Proper Divisor Sum 2,462,266

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #4156921 ← → #4156937

1 2 19 38 139 278 787 1,574 2,641 5,282 14,953 29,906 109,393 218,786 2,078,467 4,156,934

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

4,156,934 2,078,467 6,235,402 3,117,701 9,353,104 4,676,552 2,338,276 1,169,138 584,569 1,753,708 876,854 438,427 1,315,282 657,641 1,972,924 986,462 493,231 1,479,694 739,847 2,219,542 1,109,771 3,329,314 1,664,657 4,993,972 2,496,986 1,248,493 3,745,480 1,872,740 936,370 468,185 1,404,556 702,278 351,139 1,053,418 526,709 1,580,128 790,064 395,032 197,516 98,758 49,379 148,138 74,069 222,208 111,104 55,552 27,776 13,888 6,944 3,472 1,736 868 434 217 652 326 163 490 245 736

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