7² × 19² × 31

Prime Factor Structure

Factorization String 7^2 × 19^2 × 31

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 694,944

Proper Divisor Sum 146,585

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #548351 ← → #548363

1 7 19 31 49 133 217 361 589 931 1,519 2,527 4,123 11,191 17,689 28,861 78,337 548,359

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

548,359 1,645,078 822,539 2,467,618 1,233,809 3,701,428 1,850,714 925,357 2,776,072 1,388,036 694,018 347,009 1,041,028 520,514 260,257 780,772 390,386 195,193 585,580 292,790 146,395 439,186 219,593 658,780 329,390 164,695 494,086 247,043 741,130 370,565 1,111,696 555,848 277,924 138,962 69,481 208,444 104,222 52,111 156,334 78,167 234,502 117,251 351,754 175,877 527,632 263,816 131,908 65,954 32,977 98,932 49,466 24,733 74,200 37,100 18,550 9,275 27,826 13,913 41,740 20,870

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