13 × 40031

Prime Factor Structure

Factorization String 13 × 40031

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 560,448

Proper Divisor Sum 40,045

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #520393 ← → #520409

1 13 40,031 520,403

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

520,403 1,561,210 780,605 2,341,816 1,170,908 585,454 292,727 878,182 439,091 1,317,274 658,637 1,975,912 987,956 493,978 246,989 740,968 370,484 185,242 92,621 277,864 138,932 69,466 34,733 104,200 52,100 26,050 13,025 39,076 19,538 9,769 29,308 14,654 7,327 21,982 10,991 32,974 16,487 49,462 24,731 74,194 37,097 111,292 55,646 27,823 83,470 41,735 125,206 62,603 187,810 93,905 281,716 140,858 70,429 211,288 105,644 52,822 26,411 79,234 39,617 118,852

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