389 × 1657

Prime Factor Structure

Factorization String 389 × 1657

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 646,620

Proper Divisor Sum 2,047

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #644569 ← → #644593

1 389 1,657 644,573

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

644,573 1,933,720 966,860 483,430 241,715 725,146 362,573 1,087,720 543,860 271,930 135,965 407,896 203,948 101,974 50,987 152,962 76,481 229,444 114,722 57,361 172,084 86,042 43,021 129,064 64,532 32,266 16,133 48,400 24,200 12,100 6,050 3,025 9,076 4,538 2,269 6,808 3,404 1,702 851 2,554 1,277 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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