2 × 13 × 21089

Prime Factor Structure

Factorization String 2 × 13 × 21089

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 885,780

Proper Divisor Sum 337,466

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #548309 ← → #548323

1 2 13 26 21,089 42,178 274,157 548,314

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

548,314 274,157 822,472 411,236 205,618 102,809 308,428 154,214 77,107 231,322 115,661 346,984 173,492 86,746 43,373 130,120 65,060 32,530 16,265 48,796 24,398 12,199 36,598 18,299 54,898 27,449 82,348 41,174 20,587 61,762 30,881 92,644 46,322 23,161 69,484 34,742 17,371 52,114 26,057 78,172 39,086 19,543 58,630 29,315 87,946 43,973 131,920 65,960 32,980 16,490 8,245 24,736 12,368 6,184 3,092 1,546 773 2,320 1,160 580

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