509 × 787

Prime Factor Structure

Factorization String 509 × 787

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 401,880

Proper Divisor Sum 1,297

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #400579 ← → #400597

1 509 787 400,583

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

400,583 1,201,750 600,875 1,802,626 901,313 2,703,940 1,351,970 675,985 2,027,956 1,013,978 506,989 1,520,968 760,484 380,242 190,121 570,364 285,182 142,591 427,774 213,887 641,662 320,831 962,494 481,247 1,443,742 721,871 2,165,614 1,082,807 3,248,422 1,624,211 4,872,634 2,436,317 7,308,952 3,654,476 1,827,238 913,619 2,740,858 1,370,429 4,111,288 2,055,644 1,027,822 513,911 1,541,734 770,867 2,312,602 1,156,301 3,468,904 1,734,452 867,226 433,613 1,300,840 650,420 325,210 162,605 487,816 243,908 121,954 60,977 182,932 91,466

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