2² × 5² × 7 × 197

Prime Factor Structure

Factorization String 2^2 × 5^2 × 7 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 343,728

Proper Divisor Sum 205,828

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #137873 ← → #137909

1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 197 350 394 700 788 985 1,379 1,970 2,758 3,940 4,925 5,516 6,895 9,850 13,790 19,700 27,580 34,475 68,950 137,900

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

137,900 68,950 34,475 103,426 51,713 155,140 77,570 38,785 116,356 58,178 29,089 87,268 43,634 21,817 65,452 32,726 16,363 49,090 24,545 73,636 36,818 18,409 55,228 27,614 13,807 41,422 20,711 62,134 31,067 93,202 46,601 139,804 69,902 34,951 104,854 52,427 157,282 78,641 235,924 117,962 58,981 176,944 88,472 44,236 22,118 11,059 33,178 16,589 49,768 24,884 12,442 6,221 18,664 9,332 4,666 2,333 7,000 3,500 1,750 875

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