3 × 31 × 21491

Prime Factor Structure

Factorization String 3 × 31 × 21491

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,750,976

Proper Divisor Sum 752,313

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #1998643 ← → #1998679

1 3 31 93 21,491 64,473 666,221 1,998,663

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

1,998,663 5,995,990 2,997,995 8,993,986 4,496,993 13,490,980 6,745,490 3,372,745 10,118,236 5,059,118 2,529,559 7,588,678 3,794,339 11,383,018 5,691,509 17,074,528 8,537,264 4,268,632 2,134,316 1,067,158 533,579 1,600,738 800,369 2,401,108 1,200,554 600,277 1,800,832 900,416 450,208 225,104 112,552 56,276 28,138 14,069 42,208 21,104 10,552 5,276 2,638 1,319 3,958 1,979 5,938 2,969 8,908 4,454 2,227 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353

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