7 × 19 × 661

Prime Factor Structure

Factorization String 7 × 19 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 105,920

Proper Divisor Sum 18,007

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #87911 ← → #87917

1 7 19 133 661 4,627 12,559 87,913

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

87,913 263,740 131,870 65,935 197,806 98,903 296,710 148,355 445,066 222,533 667,600 333,800 166,900 83,450 41,725 125,176 62,588 31,294 15,647 46,942 23,471 70,414 35,207 105,622 52,811 158,434 79,217 237,652 118,826 59,413 178,240 89,120 44,560 22,280 11,140 5,570 2,785 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349

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