2² × 17² × 18587

Prime Factor Structure

Factorization String 2^2 × 17^2 × 18587

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 39,945,612

Proper Divisor Sum 18,459,040

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #21486559 ← → #21486581

1 2 4 17 34 68 289 578 1,156 18,587 37,174 74,348 315,979 631,958 1,263,916 5,371,643 10,743,286 21,486,572

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

21,486,572 10,743,286 5,371,643 16,114,930 8,057,465 24,172,396 12,086,198 6,043,099 18,129,298 9,064,649 27,193,948 13,596,974 6,798,487 20,395,462 10,197,731 30,593,194 15,296,597 45,889,792 22,944,896 11,472,448 5,736,224 2,868,112 1,434,056 717,028 358,514 179,257 537,772 268,886 134,443 403,330 201,665 604,996 302,498 151,249 453,748 226,874 113,437 340,312 170,156 85,078 42,539 127,618 63,809 191,428 95,714 47,857 143,572 71,786 35,893 107,680 53,840 26,920 13,460 6,730 3,365 10,096 5,048 2,524 1,262 631

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