3 × 7 × 109 × 9257

Prime Factor Structure

Factorization String 3 × 7 × 109 × 9257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,588,160

Proper Divisor Sum 11,398,887

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21189229 ← → #21189281

1 3 7 21 109 327 763 2,289 9,257 27,771 64,799 194,397 1,009,013 3,027,039 7,063,091 21,189,273

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

21,189,273 63,567,820 31,783,910 15,891,955 47,675,866 23,837,933 71,513,800 35,756,900 17,878,450 8,939,225 26,817,676 13,408,838 6,704,419 20,113,258 10,056,629 30,169,888 15,084,944 7,542,472 3,771,236 1,885,618 942,809 2,828,428 1,414,214 707,107 2,121,322 1,060,661 3,181,984 1,590,992 795,496 397,748 198,874 99,437 298,312 149,156 74,578 37,289 111,868 55,934 27,967 83,902 41,951 125,854 62,927 188,782 94,391 283,174 141,587 424,762 212,381 637,144 318,572 159,286 79,643 238,930 119,465 358,396 179,198 89,599 268,798 134,399

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