2⁴ × 13 × 3079

Prime Factor Structure

Factorization String 2^4 × 13 × 3079

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,336,720

Proper Divisor Sum 696,288

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #640421 ← → #640457

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

640,432 320,216 160,108 80,054 40,027 120,082 60,041 180,124 90,062 45,031 135,094 67,547 202,642 101,321 303,964 151,982 75,991 227,974 113,987 341,962 170,981 512,944 256,472 128,236 64,118 32,059 96,178 48,089 144,268 72,134 36,067 108,202 54,101 162,304 81,152 40,576 20,288 10,144 5,072 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19

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