5² × 853

Prime Factor Structure

Factorization String 5^2 × 853

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 26,474

Proper Divisor Sum 5,149

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #21323 ← → #21341

1 5 25 853 4,265 21,325

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

21,325 63,976 31,988 15,994 7,997 23,992 11,996 5,998 2,999 8,998 4,499 13,498 6,749 20,248 10,124 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 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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