3² × 7² × 2087

Prime Factor Structure

Factorization String 3^2 × 7^2 × 2087

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,547,208

Proper Divisor Sum 626,841

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #920357 ← → #920371

1 3 7 9 21 49 63 147 441 2,087 6,261 14,609 18,783 43,827 102,263 131,481 306,789 920,367

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

920,367 2,761,102 1,380,551 4,141,654 2,070,827 6,212,482 3,106,241 9,318,724 4,659,362 2,329,681 6,989,044 3,494,522 1,747,261 5,241,784 2,620,892 1,310,446 655,223 1,965,670 982,835 2,948,506 1,474,253 4,422,760 2,211,380 1,105,690 552,845 1,658,536 829,268 414,634 207,317 621,952 310,976 155,488 77,744 38,872 19,436 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840

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