2 × 5 × 13 × 523

Prime Factor Structure

Factorization String 2 × 5 × 13 × 523

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 132,048

Proper Divisor Sum 64,058

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #67987 ← → #67993

1 2 5 10 13 26 65 130 523 1,046 2,615 5,230 6,799 13,598 33,995 67,990

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

67,990 33,995 101,986 50,993 152,980 76,490 38,245 114,736 57,368 28,684 14,342 7,171 21,514 10,757 32,272 16,136 8,068 4,034 2,017 6,052 3,026 1,513 4,540 2,270 1,135 3,406 1,703 5,110 2,555 7,666 3,833 11,500 5,750 2,875 8,626 4,313 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433

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