2² × 7 × 29 × 641

Prime Factor Structure

Factorization String 2^2 × 7 × 29 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,078,560

Proper Divisor Sum 558,068

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #520451 ← → #520529

1 2 4 7 14 28 29 58 116 203 406 641 812 1,282 2,564 4,487 8,974 17,948 18,589 37,178 74,356 130,123 260,246 520,492

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

520,492 260,246 130,123 390,370 195,185 585,556 292,778 146,389 439,168 219,584 109,792 54,896 27,448 13,724 6,862 3,431 10,294 5,147 15,442 7,721 23,164 11,582 5,791 17,374 8,687 26,062 13,031 39,094 19,547 58,642 29,321 87,964 43,982 21,991 65,974 32,987 98,962 49,481 148,444 74,222 37,111 111,334 55,667 167,002 83,501 250,504 125,252 62,626 31,313 93,940 46,970 23,485 70,456 35,228 17,614 8,807 26,422 13,211 39,634 19,817

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