7 × 43 × 73

Prime Factor Structure

Factorization String 7 × 43 × 73

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 26,048

Proper Divisor Sum 4,075

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #21961 ← → #21977

1 7 43 73 301 511 3,139 21,973

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

21,973 65,920 32,960 16,480 8,240 4,120 2,060 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890

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