2² × 17² × 18481

Prime Factor Structure

Factorization String 2^2 × 17^2 × 18481

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 39,717,818

Proper Divisor Sum 18,353,782

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21364009 ← → #21364061

1 2 4 17 34 68 289 578 1,156 18,481 36,962 73,924 314,177 628,354 1,256,708 5,341,009 10,682,018 21,364,036

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

21,364,036 10,682,018 5,341,009 16,023,028 8,011,514 4,005,757 12,017,272 6,008,636 3,004,318 1,502,159 4,506,478 2,253,239 6,759,718 3,379,859 10,139,578 5,069,789 15,209,368 7,604,684 3,802,342 1,901,171 5,703,514 2,851,757 8,555,272 4,277,636 2,138,818 1,069,409 3,208,228 1,604,114 802,057 2,406,172 1,203,086 601,543 1,804,630 902,315 2,706,946 1,353,473 4,060,420 2,030,210 1,015,105 3,045,316 1,522,658 761,329 2,283,988 1,141,994 570,997 1,712,992 856,496 428,248 214,124 107,062 53,531 160,594 80,297 240,892 120,446 60,223 180,670 90,335 271,006 135,503

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