19² × 59

Prime Factor Structure

Factorization String 19^2 × 59

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 22,860

Proper Divisor Sum 1,561

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #21283 ← → #21313

1 19 59 361 1,121 21,299

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

21,299 63,898 31,949 95,848 47,924 23,962 11,981 35,944 17,972 8,986 4,493 13,480 6,740 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 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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