3 × 206887

Prime Factor Structure

Factorization String 3 × 206887

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 827,552

Proper Divisor Sum 206,891

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #620657 ← → #620663

1 3 206,887 620,661

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

620,661 1,861,984 930,992 465,496 232,748 116,374 58,187 174,562 87,281 261,844 130,922 65,461 196,384 98,192 49,096 24,548 12,274 6,137 18,412 9,206 4,603 13,810 6,905 20,716 10,358 5,179 15,538 7,769 23,308 11,654 5,827 17,482 8,741 26,224 13,112 6,556 3,278 1,639 4,918 2,459 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 7,006 3,503 10,510 5,255 15,766 7,883 23,650

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