2⁵ × 3 × 7² × 137

Prime Factor Structure

Factorization String 2^5 × 3 × 7^2 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,982,232

Proper Divisor Sum 1,337,784

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #644447 ← → #644489

1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 137 147 168 196 224 274 294 336 392 411 548 588 672 784 822 959 1,096 1,176 1,568 1,644 1,918 2,192 2,352 2,877 3,288 3,836 4,384 4,704 5,754 6,576 6,713 7,672 11,508 13,152 13,426 15,344 20,139 23,016

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

644,448 322,224 161,112 80,556 40,278 20,139 60,418 30,209 90,628 45,314 22,657 67,972 33,986 16,993 50,980 25,490 12,745 38,236 19,118 9,559 28,678 14,339 43,018 21,509 64,528 32,264 16,132 8,066 4,033 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.