3 × 1277 × 5531

Prime Factor Structure

Factorization String 3 × 1277 × 5531

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 28,279,584

Proper Divisor Sum 7,090,323

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #21189229 ← → #21189281

1 3 1,277 3,831 5,531 16,593 7,063,087 21,189,261

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

21,189,261 63,567,784 31,783,892 15,891,946 7,945,973 23,837,920 11,918,960 5,959,480 2,979,740 1,489,870 744,935 2,234,806 1,117,403 3,352,210 1,676,105 5,028,316 2,514,158 1,257,079 3,771,238 1,885,619 5,656,858 2,828,429 8,485,288 4,242,644 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.