2² × 5309

Prime Factor Structure

Factorization String 2^2 × 5309

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 37,170

Proper Divisor Sum 15,934

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #21227 ← → #21247

1 2 4 5,309 10,618 21,236

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

21,236 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256 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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