2² × 5 × 328171

Prime Factor Structure

Factorization String 2^2 × 5 × 328171

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 13,783,224

Proper Divisor Sum 7,219,804

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #6563419 ← → #6563437

1 2 4 5 10 20 328,171 656,342 1,312,684 1,640,855 3,281,710 6,563,420

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

6,563,420 3,281,710 1,640,855 4,922,566 2,461,283 7,383,850 3,691,925 11,075,776 5,537,888 2,768,944 1,384,472 692,236 346,118 173,059 519,178 259,589 778,768 389,384 194,692 97,346 48,673 146,020 73,010 36,505 109,516 54,758 27,379 82,138 41,069 123,208 61,604 30,802 15,401 46,204 23,102 11,551 34,654 17,327 51,982 25,991 77,974 38,987 116,962 58,481 175,444 87,722 43,861 131,584 65,792 32,896 16,448 8,224 4,112 2,056 1,028 514 257 772 386 193

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