3³ × 787

Prime Factor Structure

Factorization String 3^3 × 787

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 31,520

Proper Divisor Sum 10,271

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21247 ← → #21269

1 3 9 27 787 2,361 7,083 21,249

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

21,249 63,748 31,874 15,937 47,812 23,906 11,953 35,860 17,930 8,965 26,896 13,448 6,724 3,362 1,681 5,044 2,522 1,261 3,784 1,892 946 473 1,420 710 355 1,066 533 1,600 800 400 200 100 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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