3² × 7 × 6421

Prime Factor Structure

Factorization String 3^2 × 7 × 6421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 667,888

Proper Divisor Sum 263,365

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #404513 ← → #404527

1 3 7 9 21 63 6,421 19,263 44,947 57,789 134,841 404,523

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

404,523 1,213,570 606,785 1,820,356 910,178 455,089 1,365,268 682,634 341,317 1,023,952 511,976 255,988 127,994 63,997 191,992 95,996 47,998 23,999 71,998 35,999 107,998 53,999 161,998 80,999 242,998 121,499 364,498 182,249 546,748 273,374 136,687 410,062 205,031 615,094 307,547 922,642 461,321 1,383,964 691,982 345,991 1,037,974 518,987 1,556,962 778,481 2,335,444 1,167,722 583,861 1,751,584 875,792 437,896 218,948 109,474 54,737 164,212 82,106 41,053 123,160 61,580 30,790 15,395

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