11 × 31 × 61 × 199

Prime Factor Structure

Factorization String 11 × 31 × 61 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,761,600

Proper Divisor Sum 622,201

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #4139389 ← → #4139417

1 11 31 61 199 341 671 1,891 2,189 6,169 12,139 20,801 67,859 133,529 376,309 4,139,399

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

4,139,399 12,418,198 6,209,099 18,627,298 9,313,649 27,940,948 13,970,474 6,985,237 20,955,712 10,477,856 5,238,928 2,619,464 1,309,732 654,866 327,433 982,300 491,150 245,575 736,726 368,363 1,105,090 552,545 1,657,636 828,818 414,409 1,243,228 621,614 310,807 932,422 466,211 1,398,634 699,317 2,097,952 1,048,976 524,488 262,244 131,122 65,561 196,684 98,342 49,171 147,514 73,757 221,272 110,636 55,318 27,659 82,978 41,489 124,468 62,234 31,117 93,352 46,676 23,338 11,669 35,008 17,504 8,752 4,376

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