3 × 7 × 21871

Prime Factor Structure

Factorization String 3 × 7 × 21871

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 699,904

Proper Divisor Sum 240,613

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #459271 ← → #459293

1 3 7 21 21,871 65,613 153,097 459,291

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

459,291 1,377,874 688,937 2,066,812 1,033,406 516,703 1,550,110 775,055 2,325,166 1,162,583 3,487,750 1,743,875 5,231,626 2,615,813 7,847,440 3,923,720 1,961,860 980,930 490,465 1,471,396 735,698 367,849 1,103,548 551,774 275,887 827,662 413,831 1,241,494 620,747 1,862,242 931,121 2,793,364 1,396,682 698,341 2,095,024 1,047,512 523,756 261,878 130,939 392,818 196,409 589,228 294,614 147,307 441,922 220,961 662,884 331,442 165,721 497,164 248,582 124,291 372,874 186,437 559,312 279,656 139,828 69,914 34,957 104,872

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