13 × 17 × 97

Prime Factor Structure

Factorization String 13 × 17 × 97

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 24,696

Proper Divisor Sum 3,259

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #21433 ← → #21467

1 13 17 97 221 1,261 1,649 21,437

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

21,437 64,312 32,156 16,078 8,039 24,118 12,059 36,178 18,089 54,268 27,134 13,567 40,702 20,351 61,054 30,527 91,582 45,791 137,374 68,687 206,062 103,031 309,094 154,547 463,642 231,821 695,464 347,732 173,866 86,933 260,800 130,400 65,200 32,600 16,300 8,150 4,075 12,226 6,113 18,340 9,170 4,585 13,756 6,878 3,439 10,318 5,159 15,478 7,739 23,218 11,609 34,828 17,414 8,707 26,122 13,061 39,184 19,592 9,796 4,898

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