257 × 2803

Prime Factor Structure

Factorization String 257 × 2803

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 723,432

Proper Divisor Sum 3,061

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #720367 ← → #720373

1 257 2,803 720,371

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

720,371 2,161,114 1,080,557 3,241,672 1,620,836 810,418 405,209 1,215,628 607,814 303,907 911,722 455,861 1,367,584 683,792 341,896 170,948 85,474 42,737 128,212 64,106 32,053 96,160 48,080 24,040 12,020 6,010 3,005 9,016 4,508 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576

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