2² × 5² × 1297

Prime Factor Structure

Factorization String 2^2 × 5^2 × 1297

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 281,666

Proper Divisor Sum 151,966

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #129671 ← → #129707

1 2 4 5 10 20 25 50 100 1,297 2,594 5,188 6,485 12,970 25,940 32,425 64,850 129,700

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

129,700 64,850 32,425 97,276 48,638 24,319 72,958 36,479 109,438 54,719 164,158 82,079 246,238 123,119 369,358 184,679 554,038 277,019 831,058 415,529 1,246,588 623,294 311,647 934,942 467,471 1,402,414 701,207 2,103,622 1,051,811 3,155,434 1,577,717 4,733,152 2,366,576 1,183,288 591,644 295,822 147,911 443,734 221,867 665,602 332,801 998,404 499,202 249,601 748,804 374,402 187,201 561,604 280,802 140,401 421,204 210,602 105,301 315,904 157,952 78,976 39,488 19,744 9,872 4,936

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