7 × 13² × 821

Prime Factor Structure

Factorization String 7 × 13^2 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,203,408

Proper Divisor Sum 232,165

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #971237 ← → #971251

1 7 13 91 169 821 1,183 5,747 10,673 74,711 138,749 971,243

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

971,243 2,913,730 1,456,865 4,370,596 2,185,298 1,092,649 3,277,948 1,638,974 819,487 2,458,462 1,229,231 3,687,694 1,843,847 5,531,542 2,765,771 8,297,314 4,148,657 12,445,972 6,222,986 3,111,493 9,334,480 4,667,240 2,333,620 1,166,810 583,405 1,750,216 875,108 437,554 218,777 656,332 328,166 164,083 492,250 246,125 738,376 369,188 184,594 92,297 276,892 138,446 69,223 207,670 103,835 311,506 155,753 467,260 233,630 116,815 350,446 175,223 525,670 262,835 788,506 394,253 1,182,760 591,380 295,690 147,845 443,536 221,768

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