3 × 7 × 19 × 509

Prime Factor Structure

Factorization String 3 × 7 × 19 × 509

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 326,400

Proper Divisor Sum 123,309

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #203057 ← → #203117

1 3 7 19 21 57 133 399 509 1,527 3,563 9,671 10,689 29,013 67,697 203,091

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

203,091 609,274 304,637 913,912 456,956 228,478 114,239 342,718 171,359 514,078 257,039 771,118 385,559 1,156,678 578,339 1,735,018 867,509 2,602,528 1,301,264 650,632 325,316 162,658 81,329 243,988 121,994 60,997 182,992 91,496 45,748 22,874 11,437 34,312 17,156 8,578 4,289 12,868 6,434 3,217 9,652 4,826 2,413 7,240 3,620 1,810 905 2,716 1,358 679 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291

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