3 × 7 × 71 × 1861

Prime Factor Structure

Factorization String 3 × 7 × 71 × 1861

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,290,048

Proper Divisor Sum 1,515,297

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2774731 ← → #2774767

1 3 7 21 71 213 497 1,491 1,861 5,583 13,027 39,081 132,131 396,393 924,917 2,774,751

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

2,774,751 8,324,254 4,162,127 12,486,382 6,243,191 18,729,574 9,364,787 28,094,362 14,047,181 42,141,544 21,070,772 10,535,386 5,267,693 15,803,080 7,901,540 3,950,770 1,975,385 5,926,156 2,963,078 1,481,539 4,444,618 2,222,309 6,666,928 3,333,464 1,666,732 833,366 416,683 1,250,050 625,025 1,875,076 937,538 468,769 1,406,308 703,154 351,577 1,054,732 527,366 263,683 791,050 395,525 1,186,576 593,288 296,644 148,322 74,161 222,484 111,242 55,621 166,864 83,432 41,716 20,858 10,429 31,288 15,644 7,822 3,911 11,734 5,867 17,602

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