2 × 13 × 257 × 661

Prime Factor Structure

Factorization String 2 × 13 × 257 × 661

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 7,173,432

Proper Divisor Sum 2,756,630

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #4416793 ← → #4416823

1 2 13 26 257 514 661 1,322 3,341 6,682 8,593 17,186 169,877 339,754 2,208,401 4,416,802

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

4,416,802 2,208,401 6,625,204 3,312,602 1,656,301 4,968,904 2,484,452 1,242,226 621,113 1,863,340 931,670 465,835 1,397,506 698,753 2,096,260 1,048,130 524,065 1,572,196 786,098 393,049 1,179,148 589,574 294,787 884,362 442,181 1,326,544 663,272 331,636 165,818 82,909 248,728 124,364 62,182 31,091 93,274 46,637 139,912 69,956 34,978 17,489 52,468 26,234 13,117 39,352 19,676 9,838 4,919 14,758 7,379 22,138 11,069 33,208 16,604 8,302 4,151 12,454 6,227 18,682 9,341 28,024

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