13² × 71 × 211

Prime Factor Structure

Factorization String 13^2 × 71 × 211

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,793,312

Proper Divisor Sum 261,523

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #2531777 ← → #2531803

1 13 71 169 211 923 2,743 11,999 14,981 35,659 194,753 2,531,789

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

2,531,789 7,595,368 3,797,684 1,898,842 949,421 2,848,264 1,424,132 712,066 356,033 1,068,100 534,050 267,025 801,076 400,538 200,269 600,808 300,404 150,202 75,101 225,304 112,652 56,326 28,163 84,490 42,245 126,736 63,368 31,684 15,842 7,921 23,764 11,882 5,941 17,824 8,912 4,456 2,228 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76

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