5² × 13 × 661

Prime Factor Structure

Factorization String 5^2 × 13 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 287,308

Proper Divisor Sum 72,483

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #214817 ← → #214831

1 5 13 25 65 325 661 3,305 8,593 16,525 42,965 214,825

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

214,825 644,476 322,238 161,119 483,358 241,679 725,038 362,519 1,087,558 543,779 1,631,338 815,669 2,447,008 1,223,504 611,752 305,876 152,938 76,469 229,408 114,704 57,352 28,676 14,338 7,169 21,508 10,754 5,377 16,132 8,066 4,033 12,100 6,050 3,025 9,076 4,538 2,269 6,808 3,404 1,702 851 2,554 1,277 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367

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