2 × 11 × 193 × 421

Prime Factor Structure

Factorization String 2 × 11 × 193 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,947,248

Proper Divisor Sum 1,159,682

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #1787561 ← → #1787573

1 2 11 22 193 386 421 842 2,123 4,246 4,631 9,262 81,253 162,506 893,783 1,787,566

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

1,787,566 893,783 2,681,350 1,340,675 4,022,026 2,011,013 6,033,040 3,016,520 1,508,260 754,130 377,065 1,131,196 565,598 282,799 848,398 424,199 1,272,598 636,299 1,908,898 954,449 2,863,348 1,431,674 715,837 2,147,512 1,073,756 536,878 268,439 805,318 402,659 1,207,978 603,989 1,811,968 905,984 452,992 226,496 113,248 56,624 28,312 14,156 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891

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