21031009

Prime Factor Structure

Factorization String 21031009

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,031,010

Proper Divisor Sum 1

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21030979 ← → #21031019

1 21,031,009

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

21,031,009 63,093,028 31,546,514 15,773,257 47,319,772 23,659,886 11,829,943 35,489,830 17,744,915 53,234,746 26,617,373 79,852,120 39,926,060 19,963,030 9,981,515 29,944,546 14,972,273 44,916,820 22,458,410 11,229,205 33,687,616 16,843,808 8,421,904 4,210,952 2,105,476 1,052,738 526,369 1,579,108 789,554 394,777 1,184,332 592,166 296,083 888,250 444,125 1,332,376 666,188 333,094 166,547 499,642 249,821 749,464 374,732 187,366 93,683 281,050 140,525 421,576 210,788 105,394 52,697 158,092 79,046 39,523 118,570 59,285 177,856 88,928 44,464 22,232

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