2 × 13 × 17 × 1993

Prime Factor Structure

Factorization String 2 × 13 × 17 × 1993

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,507,464

Proper Divisor Sum 626,558

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #880903 ← → #880907

1 2 13 17 26 34 221 442 1,993 3,986 25,909 33,881 51,818 67,762 440,453 880,906

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

880,906 440,453 1,321,360 660,680 330,340 165,170 82,585 247,756 123,878 61,939 185,818 92,909 278,728 139,364 69,682 34,841 104,524 52,262 26,131 78,394 39,197 117,592 58,796 29,398 14,699 44,098 22,049 66,148 33,074 16,537 49,612 24,806 12,403 37,210 18,605 55,816 27,908 13,954 6,977 20,932 10,466 5,233 15,700 7,850 3,925 11,776 5,888 2,944 1,472 736 368 184 92 46 23 70 35 106 53 160

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