3 × 7 × 19 × 853

Prime Factor Structure

Factorization String 3 × 7 × 19 × 853

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 546,560

Proper Divisor Sum 206,213

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #340339 ← → #340369

1 3 7 19 21 57 133 399 853 2,559 5,971 16,207 17,913 48,621 113,449 340,347

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

340,347 1,021,042 510,521 1,531,564 765,782 382,891 1,148,674 574,337 1,723,012 861,506 430,753 1,292,260 646,130 323,065 969,196 484,598 242,299 726,898 363,449 1,090,348 545,174 272,587 817,762 408,881 1,226,644 613,322 306,661 919,984 459,992 229,996 114,998 57,499 172,498 86,249 258,748 129,374 64,687 194,062 97,031 291,094 145,547 436,642 218,321 654,964 327,482 163,741 491,224 245,612 122,806 61,403 184,210 92,105 276,316 138,158 69,079 207,238 103,619 310,858 155,429 466,288

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