2 × 13 × 25621

Prime Factor Structure

Factorization String 2 × 13 × 25621

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,076,124

Proper Divisor Sum 409,978

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #666143 ← → #666167

1 2 13 26 25,621 51,242 333,073 666,146

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

666,146 333,073 999,220 499,610 249,805 749,416 374,708 187,354 93,677 281,032 140,516 70,258 35,129 105,388 52,694 26,347 79,042 39,521 118,564 59,282 29,641 88,924 44,462 22,231 66,694 33,347 100,042 50,021 150,064 75,032 37,516 18,758 9,379 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

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