5 × 53 × 251

Prime Factor Structure

Factorization String 5 × 53 × 251

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 81,648

Proper Divisor Sum 15,133

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #66509 ← → #66523

1 5 53 251 265 1,255 13,303 66,515

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

66,515 199,546 99,773 299,320 149,660 74,830 37,415 112,246 56,123 168,370 84,185 252,556 126,278 63,139 189,418 94,709 284,128 142,064 71,032 35,516 17,758 8,879 26,638 13,319 39,958 19,979 59,938 29,969 89,908 44,954 22,477 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537

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