13² × 31 × 3343

Prime Factor Structure

Factorization String 13^2 × 31 × 3343

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 19,582,464

Proper Divisor Sum 2,068,487

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #17513963 ← → #17514019

1 13 31 169 403 3,343 5,239 43,459 103,633 564,967 1,347,229 17,513,977

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

17,513,977 52,541,932 26,270,966 13,135,483 39,406,450 19,703,225 59,109,676 29,554,838 14,777,419 44,332,258 22,166,129 66,498,388 33,249,194 16,624,597 49,873,792 24,936,896 12,468,448 6,234,224 3,117,112 1,558,556 779,278 389,639 1,168,918 584,459 1,753,378 876,689 2,630,068 1,315,034 657,517 1,972,552 986,276 493,138 246,569 739,708 369,854 184,927 554,782 277,391 832,174 416,087 1,248,262 624,131 1,872,394 936,197 2,808,592 1,404,296 702,148 351,074 175,537 526,612 263,306 131,653 394,960 197,480 98,740 49,370 24,685 74,056 37,028 18,514

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