2² × 3² × 37 × 487

Prime Factor Structure

Factorization String 2^2 × 3^2 × 37 × 487

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,687,504

Proper Divisor Sum 1,038,820

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #648677 ← → #648689

1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 487 666 974 1,332 1,461 1,948 2,922 4,383 5,844 8,766 17,532 18,019 36,038 54,057 72,076 108,114 162,171 216,228 324,342 648,684

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

648,684 324,342 162,171 486,514 243,257 729,772 364,886 182,443 547,330 273,665 820,996 410,498 205,249 615,748 307,874 153,937 461,812 230,906 115,453 346,360 173,180 86,590 43,295 129,886 64,943 194,830 97,415 292,246 146,123 438,370 219,185 657,556 328,778 164,389 493,168 246,584 123,292 61,646 30,823 92,470 46,235 138,706 69,353 208,060 104,030 52,015 156,046 78,023 234,070 117,035 351,106 175,553 526,660 263,330 131,665 394,996 197,498 98,749 296,248 148,124

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