7 × 13 × 73 × 229

Prime Factor Structure

Factorization String 7 × 13 × 73 × 229

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,906,240

Proper Divisor Sum 384,993

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1521241 ← → #1521269

1 7 13 73 91 229 511 949 1,603 2,977 6,643 16,717 20,839 117,019 217,321 1,521,247

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

1,521,247 4,563,742 2,281,871 6,845,614 3,422,807 10,268,422 5,134,211 15,402,634 7,701,317 23,103,952 11,551,976 5,775,988 2,887,994 1,443,997 4,331,992 2,165,996 1,082,998 541,499 1,624,498 812,249 2,436,748 1,218,374 609,187 1,827,562 913,781 2,741,344 1,370,672 685,336 342,668 171,334 85,667 257,002 128,501 385,504 192,752 96,376 48,188 24,094 12,047 36,142 18,071 54,214 27,107 81,322 40,661 121,984 60,992 30,496 15,248 7,624 3,812 1,906 953 2,860 1,430 715 2,146 1,073 3,220 1,610

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