3⁴ × 5 × 521

Prime Factor Structure

Factorization String 3^4 × 5 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 378,972

Proper Divisor Sum 167,967

Digit Sum / Digital Root 9 (Root: 9)

Adjacent Primes #210967 ← → #211007

1 3 5 9 15 27 45 81 135 405 521 1,563 2,605 4,689 7,815 14,067 23,445 42,201 70,335 211,005

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

211,005 633,016 316,508 158,254 79,127 237,382 118,691 356,074 178,037 534,112 267,056 133,528 66,764 33,382 16,691 50,074 25,037 75,112 37,556 18,778 9,389 28,168 14,084 7,042 3,521 10,564 5,282 2,641 7,924 3,962 1,981 5,944 2,972 1,486 743 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050

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