7 × 17 × 31 × 59

Prime Factor Structure

Factorization String 7 × 17 × 31 × 59

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 276,480

Proper Divisor Sum 58,829

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #217643 ← → #217661

1 7 17 31 59 119 217 413 527 1,003 1,829 3,689 7,021 12,803 31,093 217,651

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

217,651 652,954 326,477 979,432 489,716 244,858 122,429 367,288 183,644 91,822 45,911 137,734 68,867 206,602 103,301 309,904 154,952 77,476 38,738 19,369 58,108 29,054 14,527 43,582 21,791 65,374 32,687 98,062 49,031 147,094 73,547 220,642 110,321 330,964 165,482 82,741 248,224 124,112 62,056 31,028 15,514 7,757 23,272 11,636 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384

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