21,627

3⁵ × 89

Prime Factor Structure

Factorization String 3^5 × 89

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 32,760

Proper Divisor Sum 11,133

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #21617 ← → #21647

1 3 9 27 81 89 243 267 801 2,403 7,209 21,627

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

21,627 64,882 32,441 97,324 48,662 24,331 72,994 36,497 109,492 54,746 27,373 82,120 41,060 20,530 10,265 30,796 15,398 7,699 23,098 11,549 34,648 17,324 8,662 4,331 12,994 6,497 19,492 9,746 4,873 14,620 7,310 3,655 10,966 5,483 16,450 8,225 24,676 12,338 6,169 18,508 9,254 4,627 13,882 6,941 20,824 10,412 5,206 2,603 7,810 3,905 11,716 5,858 2,929 8,788 4,394 2,197 6,592 3,296 1,648 824

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