3 × 7² × 17²

Prime Factor Structure

Factorization String 3 × 7^2 × 17^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 69,996

Proper Divisor Sum 27,513

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #42473 ← → #42487

1 3 7 17 21 49 51 119 147 289 357 833 867 2,023 2,499 6,069 14,161 42,483

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

42,483 127,450 63,725 191,176 95,588 47,794 23,897 71,692 35,846 17,923 53,770 26,885 80,656 40,328 20,164 10,082 5,041 15,124 7,562 3,781 11,344 5,672 2,836 1,418 709 2,128 1,064 532 266 133 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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