31 × 21493

Prime Factor Structure

Factorization String 31 × 21493

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 687,808

Proper Divisor Sum 21,525

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #666277 ← → #666301

1 31 21,493 666,283

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

666,283 1,998,850 999,425 2,998,276 1,499,138 749,569 2,248,708 1,124,354 562,177 1,686,532 843,266 421,633 1,264,900 632,450 316,225 948,676 474,338 237,169 711,508 355,754 177,877 533,632 266,816 133,408 66,704 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706

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