2³ × 3² × 7 × 43

Prime Factor Structure

Factorization String 2^3 × 3^2 × 7 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 68,640

Proper Divisor Sum 46,968

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21661 ← → #21673

Radix Representation

Decimal	21672
Binary	101010010101000 (15 bits)
Octal	0o52250
Hexadecimal	0x54A8

Divisor Catalog (48)

1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 43 56 63 72 84 86 126 129 168 172 252 258 301 344 387 504 516 602 774 903 1,032 1,204 1,548 1,806 2,408 2,709 3,096 3,612 5,418 7,224 10,836 21,672

Collatz Trajectory (56 steps to reach 1)

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

21,672 10,836 5,418 2,709 8,128 4,064 2,032 1,016 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

Active Feeder Network

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

Feeder #6,573,969 Feeder #2,443,427 Feeder #6,845,105 Feeder #906,051 Feeder #1,285,993 Feeder #7,584,379 Feeder #4,761,186 Feeder #626,174

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