3 × 41 × 173

Prime Factor Structure

Factorization String 3 × 41 × 173

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 29,232

Proper Divisor Sum 7,953

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #21277 ← → #21283

1 3 41 123 173 519 7,093 21,279

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

21,279 63,838 31,919 95,758 47,879 143,638 71,819 215,458 107,729 323,188 161,594 80,797 242,392 121,196 60,598 30,299 90,898 45,449 136,348 68,174 34,087 102,262 51,131 153,394 76,697 230,092 115,046 57,523 172,570 86,285 258,856 129,428 64,714 32,357 97,072 48,536 24,268 12,134 6,067 18,202 9,101 27,304 13,652 6,826 3,413 10,240 5,120 2,560 1,280 640 320 160 80 40 20 10 5 16 8 4

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