3 × 5² × 13 × 409

Prime Factor Structure

Factorization String 3 × 5^2 × 13 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 711,760

Proper Divisor Sum 312,985

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #398771 ← → #398813

1 3 5 13 15 25 39 65 75 195 325 409 975 1,227 2,045 5,317 6,135 10,225 15,951 26,585 30,675 79,755 132,925 398,775

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

398,775 1,196,326 598,163 1,794,490 897,245 2,691,736 1,345,868 672,934 336,467 1,009,402 504,701 1,514,104 757,052 378,526 189,263 567,790 283,895 851,686 425,843 1,277,530 638,765 1,916,296 958,148 479,074 239,537 718,612 359,306 179,653 538,960 269,480 134,740 67,370 33,685 101,056 50,528 25,264 12,632 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71

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