5² × 61 × 191

Prime Factor Structure

Factorization String 5^2 × 61 × 191

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 369,024

Proper Divisor Sum 77,749

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #291271 ← → #291287

1 5 25 61 191 305 955 1,525 4,775 11,651 58,255 291,275

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

291,275 873,826 436,913 1,310,740 655,370 327,685 983,056 491,528 245,764 122,882 61,441 184,324 92,162 46,081 138,244 69,122 34,561 103,684 51,842 25,921 77,764 38,882 19,441 58,324 29,162 14,581 43,744 21,872 10,936 5,468 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53

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