2 × 257689

Prime Factor Structure

Factorization String 2 × 257689

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 773,070

Proper Divisor Sum 257,692

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #515377 ← → #515381

1 2 257,689 515,378

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

515,378 257,689 773,068 386,534 193,267 579,802 289,901 869,704 434,852 217,426 108,713 326,140 163,070 81,535 244,606 122,303 366,910 183,455 550,366 275,183 825,550 412,775 1,238,326 619,163 1,857,490 928,745 2,786,236 1,393,118 696,559 2,089,678 1,044,839 3,134,518 1,567,259 4,701,778 2,350,889 7,052,668 3,526,334 1,763,167 5,289,502 2,644,751 7,934,254 3,967,127 11,901,382 5,950,691 17,852,074 8,926,037 26,778,112 13,389,056 6,694,528 3,347,264 1,673,632 836,816 418,408 209,204 104,602 52,301 156,904 78,452 39,226 19,613

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