5 × 7 × 31 × 131

Prime Factor Structure

Factorization String 5 × 7 × 31 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 202,752

Proper Divisor Sum 60,617

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #142123 ← → #142151

1 5 7 31 35 131 155 217 655 917 1,085 4,061 4,585 20,305 28,427 142,135

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

142,135 426,406 213,203 639,610 319,805 959,416 479,708 239,854 119,927 359,782 179,891 539,674 269,837 809,512 404,756 202,378 101,189 303,568 151,784 75,892 37,946 18,973 56,920 28,460 14,230 7,115 21,346 10,673 32,020 16,010 8,005 24,016 12,008 6,004 3,002 1,501 4,504 2,252 1,126 563 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152

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