3³ × 797

Prime Factor Structure

Factorization String 3^3 × 797

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 31,920

Proper Divisor Sum 10,401

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21517 ← → #21521

1 3 9 27 797 2,391 7,173 21,519

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

21,519 64,558 32,279 96,838 48,419 145,258 72,629 217,888 108,944 54,472 27,236 13,618 6,809 20,428 10,214 5,107 15,322 7,661 22,984 11,492 5,746 2,873 8,620 4,310 2,155 6,466 3,233 9,700 4,850 2,425 7,276 3,638 1,819 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146

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