2 × 69821

Prime Factor Structure

Factorization String 2 × 69821

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 209,466

Proper Divisor Sum 69,824

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #139627 ← → #139661

1 2 69,821 139,642

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

139,642 69,821 209,464 104,732 52,366 26,183 78,550 39,275 117,826 58,913 176,740 88,370 44,185 132,556 66,278 33,139 99,418 49,709 149,128 74,564 37,282 18,641 55,924 27,962 13,981 41,944 20,972 10,486 5,243 15,730 7,865 23,596 11,798 5,899 17,698 8,849 26,548 13,274 6,637 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148

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