5⁵ × 13²

Prime Factor Structure

Factorization String 5^5 × 13^2

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 714,798

Proper Divisor Sum 186,673

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #528107 ← → #528127

1 5 13 25 65 125 169 325 625 845 1,625 3,125 4,225 8,125 21,125 40,625 105,625 528,125

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

528,125 1,584,376 792,188 396,094 198,047 594,142 297,071 891,214 445,607 1,336,822 668,411 2,005,234 1,002,617 3,007,852 1,503,926 751,963 2,255,890 1,127,945 3,383,836 1,691,918 845,959 2,537,878 1,268,939 3,806,818 1,903,409 5,710,228 2,855,114 1,427,557 4,282,672 2,141,336 1,070,668 535,334 267,667 803,002 401,501 1,204,504 602,252 301,126 150,563 451,690 225,845 677,536 338,768 169,384 84,692 42,346 21,173 63,520 31,760 15,880 7,940 3,970 1,985 5,956 2,978 1,489 4,468 2,234 1,117 3,352

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