2 × 5 × 13 × 1999

Prime Factor Structure

Factorization String 2 × 5 × 13 × 1999

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 504,000

Proper Divisor Sum 244,130

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #259867 ← → #259907

1 2 5 10 13 26 65 130 1,999 3,998 9,995 19,990 25,987 51,974 129,935 259,870

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

259,870 129,935 389,806 194,903 584,710 292,355 877,066 438,533 1,315,600 657,800 328,900 164,450 82,225 246,676 123,338 61,669 185,008 92,504 46,252 23,126 11,563 34,690 17,345 52,036 26,018 13,009 39,028 19,514 9,757 29,272 14,636 7,318 3,659 10,978 5,489 16,468 8,234 4,117 12,352 6,176 3,088 1,544 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47

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