5² × 17

Prime Factor Structure

Factorization String 5^2 × 17

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 558

Proper Divisor Sum 133

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #421 ← → #431

1 5 17 25 85 425

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

425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 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 53 160 80 40 20 10 5 16 8 4 2 1

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