13 × 23 × 509

Prime Factor Structure

Factorization String 13 × 23 × 509

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 171,360

Proper Divisor Sum 19,169

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #152189 ← → #152197

1 13 23 299 509 6,617 11,707 152,191

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

152,191 456,574 228,287 684,862 342,431 1,027,294 513,647 1,540,942 770,471 2,311,414 1,155,707 3,467,122 1,733,561 5,200,684 2,600,342 1,300,171 3,900,514 1,950,257 5,850,772 2,925,386 1,462,693 4,388,080 2,194,040 1,097,020 548,510 274,255 822,766 411,383 1,234,150 617,075 1,851,226 925,613 2,776,840 1,388,420 694,210 347,105 1,041,316 520,658 260,329 780,988 390,494 195,247 585,742 292,871 878,614 439,307 1,317,922 658,961 1,976,884 988,442 494,221 1,482,664 741,332 370,666 185,333 556,000 278,000 139,000 69,500 34,750

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