3 × 7 × 30497

Prime Factor Structure

Factorization String 3 × 7 × 30497

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 975,936

Proper Divisor Sum 335,499

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #640421 ← → #640457

1 3 7 21 30,497 91,491 213,479 640,437

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

640,437 1,921,312 960,656 480,328 240,164 120,082 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.