3² × 7 × 31 × 37

Prime Factor Structure

Factorization String 3^2 × 7 × 31 × 37

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 126,464

Proper Divisor Sum 54,203

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #72253 ← → #72269

1 3 7 9 21 31 37 63 93 111 217 259 279 333 651 777 1,147 1,953 2,331 3,441 8,029 10,323 24,087 72,261

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

72,261 216,784 108,392 54,196 27,098 13,549 40,648 20,324 10,162 5,081 15,244 7,622 3,811 11,434 5,717 17,152 8,576 4,288 2,144 1,072 536 268 134 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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