5 × 11 × 487 × 821

Prime Factor Structure

Factorization String 5 × 11 × 487 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,881,792

Proper Divisor Sum 6,891,307

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #21990457 ← → #21990487

1 5 11 55 487 821 2,435 4,105 5,357 9,031 26,785 45,155 399,827 1,999,135 4,398,097 21,990,485

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

21,990,485 65,971,456 32,985,728 16,492,864 8,246,432 4,123,216 2,061,608 1,030,804 515,402 257,701 773,104 386,552 193,276 96,638 48,319 144,958 72,479 217,438 108,719 326,158 163,079 489,238 244,619 733,858 366,929 1,100,788 550,394 275,197 825,592 412,796 206,398 103,199 309,598 154,799 464,398 232,199 696,598 348,299 1,044,898 522,449 1,567,348 783,674 391,837 1,175,512 587,756 293,878 146,939 440,818 220,409 661,228 330,614 165,307 495,922 247,961 743,884 371,942 185,971 557,914 278,957 836,872

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