521 × 6421

Prime Factor Structure

Factorization String 521 × 6421

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,352,284

Proper Divisor Sum 6,943

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #3345323 ← → #3345361

1 521 6,421 3,345,341

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

3,345,341 10,036,024 5,018,012 2,509,006 1,254,503 3,763,510 1,881,755 5,645,266 2,822,633 8,467,900 4,233,950 2,116,975 6,350,926 3,175,463 9,526,390 4,763,195 14,289,586 7,144,793 21,434,380 10,717,190 5,358,595 16,075,786 8,037,893 24,113,680 12,056,840 6,028,420 3,014,210 1,507,105 4,521,316 2,260,658 1,130,329 3,390,988 1,695,494 847,747 2,543,242 1,271,621 3,814,864 1,907,432 953,716 476,858 238,429 715,288 357,644 178,822 89,411 268,234 134,117 402,352 201,176 100,588 50,294 25,147 75,442 37,721 113,164 56,582 28,291 84,874 42,437 127,312

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