3³ × 13 × 21491

Prime Factor Structure

Factorization String 3^3 × 13 × 21491

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,035,520

Proper Divisor Sum 4,492,179

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #7543279 ← → #7543351

1 3 9 13 27 39 117 351 21,491 64,473 193,419 279,383 580,257 838,149 2,514,447 7,543,341

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

7,543,341 22,630,024 11,315,012 5,657,506 2,828,753 8,486,260 4,243,130 2,121,565 6,364,696 3,182,348 1,591,174 795,587 2,386,762 1,193,381 3,580,144 1,790,072 895,036 447,518 223,759 671,278 335,639 1,006,918 503,459 1,510,378 755,189 2,265,568 1,132,784 566,392 283,196 141,598 70,799 212,398 106,199 318,598 159,299 477,898 238,949 716,848 358,424 179,212 89,606 44,803 134,410 67,205 201,616 100,808 50,404 25,202 12,601 37,804 18,902 9,451 28,354 14,177 42,532 21,266 10,633 31,900 15,950 7,975

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