2 × 128629

Prime Factor Structure

Factorization String 2 × 128629

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 385,890

Proper Divisor Sum 128,632

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #257249 ← → #257263

1 2 128,629 257,258

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

257,258 128,629 385,888 192,944 96,472 48,236 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

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