2 × 13² × 1889

Prime Factor Structure

Factorization String 2 × 13^2 × 1889

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,037,610

Proper Divisor Sum 399,128

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #638467 ← → #638489

1 2 13 26 169 338 1,889 3,778 24,557 49,114 319,241 638,482

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

638,482 319,241 957,724 478,862 239,431 718,294 359,147 1,077,442 538,721 1,616,164 808,082 404,041 1,212,124 606,062 303,031 909,094 454,547 1,363,642 681,821 2,045,464 1,022,732 511,366 255,683 767,050 383,525 1,150,576 575,288 287,644 143,822 71,911 215,734 107,867 323,602 161,801 485,404 242,702 121,351 364,054 182,027 546,082 273,041 819,124 409,562 204,781 614,344 307,172 153,586 76,793 230,380 115,190 57,595 172,786 86,393 259,180 129,590 64,795 194,386 97,193 291,580 145,790

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