2 × 3² × 37 × 421

Prime Factor Structure

Factorization String 2 × 3^2 × 37 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 625,404

Proper Divisor Sum 345,018

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #280373 ← → #280409

1 2 3 6 9 18 37 74 111 222 333 421 666 842 1,263 2,526 3,789 7,578 15,577 31,154 46,731 93,462 140,193 280,386

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

280,386 140,193 420,580 210,290 105,145 315,436 157,718 78,859 236,578 118,289 354,868 177,434 88,717 266,152 133,076 66,538 33,269 99,808 49,904 24,952 12,476 6,238 3,119 9,358 4,679 14,038 7,019 21,058 10,529 31,588 15,794 7,897 23,692 11,846 5,923 17,770 8,885 26,656 13,328 6,664 3,332 1,666 833 2,500 1,250 625 1,876 938 469 1,408 704 352 176 88 44 22 11 34 17 52

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