5² × 257 × 311

Prime Factor Structure

Factorization String 5^2 × 257 × 311

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,495,376

Proper Divisor Sum 497,201

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #1998169 ← → #1998181

1 5 25 257 311 1,285 1,555 6,425 7,775 79,927 399,635 1,998,175

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

1,998,175 5,994,526 2,997,263 8,991,790 4,495,895 13,487,686 6,743,843 20,231,530 10,115,765 30,347,296 15,173,648 7,586,824 3,793,412 1,896,706 948,353 2,845,060 1,422,530 711,265 2,133,796 1,066,898 533,449 1,600,348 800,174 400,087 1,200,262 600,131 1,800,394 900,197 2,700,592 1,350,296 675,148 337,574 168,787 506,362 253,181 759,544 379,772 189,886 94,943 284,830 142,415 427,246 213,623 640,870 320,435 961,306 480,653 1,441,960 720,980 360,490 180,245 540,736 270,368 135,184 67,592 33,796 16,898 8,449 25,348 12,674

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