3 × 7 × 13 × 1321

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1321

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 592,256

Proper Divisor Sum 231,623

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #360611 ← → #360637

1 3 7 13 21 39 91 273 1,321 3,963 9,247 17,173 27,741 51,519 120,211 360,633

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

360,633 1,081,900 540,950 270,475 811,426 405,713 1,217,140 608,570 304,285 912,856 456,428 228,214 114,107 342,322 171,161 513,484 256,742 128,371 385,114 192,557 577,672 288,836 144,418 72,209 216,628 108,314 54,157 162,472 81,236 40,618 20,309 60,928 30,464 15,232 7,616 3,808 1,904 952 476 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11

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