2 × 5 × 640993

Prime Factor Structure

Factorization String 2 × 5 × 640993

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 11,537,892

Proper Divisor Sum 5,127,962

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #6409913 ← → #6409933

1 2 5 10 640,993 1,281,986 3,204,965 6,409,930

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

6,409,930 3,204,965 9,614,896 4,807,448 2,403,724 1,201,862 600,931 1,802,794 901,397 2,704,192 1,352,096 676,048 338,024 169,012 84,506 42,253 126,760 63,380 31,690 15,845 47,536 23,768 11,884 5,942 2,971 8,914 4,457 13,372 6,686 3,343 10,030 5,015 15,046 7,523 22,570 11,285 33,856 16,928 8,464 4,232 2,116 1,058 529 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34

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