3 × 7 × 53 × 257

Prime Factor Structure

Factorization String 3 × 7 × 53 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 445,824

Proper Divisor Sum 159,783

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #286019 ← → #286043

1 3 7 21 53 159 257 371 771 1,113 1,799 5,397 13,621 40,863 95,347 286,041

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

286,041 858,124 429,062 214,531 643,594 321,797 965,392 482,696 241,348 120,674 60,337 181,012 90,506 45,253 135,760 67,880 33,940 16,970 8,485 25,456 12,728 6,364 3,182 1,591 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906

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