13 × 211 × 821

Prime Factor Structure

Factorization String 13 × 211 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,439,696

Proper Divisor Sum 187,693

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #2251993 ← → #2252009

1 13 211 821 2,743 10,673 173,231 2,252,003

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

2,252,003 6,756,010 3,378,005 10,134,016 5,067,008 2,533,504 1,266,752 633,376 316,688 158,344 79,172 39,586 19,793 59,380 29,690 14,845 44,536 22,268 11,134 5,567 16,702 8,351 25,054 12,527 37,582 18,791 56,374 28,187 84,562 42,281 126,844 63,422 31,711 95,134 47,567 142,702 71,351 214,054 107,027 321,082 160,541 481,624 240,812 120,406 60,203 180,610 90,305 270,916 135,458 67,729 203,188 101,594 50,797 152,392 76,196 38,098 19,049 57,148 28,574 14,287

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