3² × 5 × 21617

Prime Factor Structure

Factorization String 3^2 × 5 × 21617

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,686,204

Proper Divisor Sum 713,439

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #972721 ← → #972787

1 3 5 9 15 45 21,617 64,851 108,085 194,553 324,255 972,765

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

972,765 2,918,296 1,459,148 729,574 364,787 1,094,362 547,181 1,641,544 820,772 410,386 205,193 615,580 307,790 153,895 461,686 230,843 692,530 346,265 1,038,796 519,398 259,699 779,098 389,549 1,168,648 584,324 292,162 146,081 438,244 219,122 109,561 328,684 164,342 82,171 246,514 123,257 369,772 184,886 92,443 277,330 138,665 415,996 207,998 103,999 311,998 155,999 467,998 233,999 701,998 350,999 1,052,998 526,499 1,579,498 789,749 2,369,248 1,184,624 592,312 296,156 148,078 74,039 222,118

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