2 × 19 × 41 × 137

Prime Factor Structure

Factorization String 2 × 19 × 41 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 347,760

Proper Divisor Sum 134,314

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #213407 ← → #213449

1 2 19 38 41 82 137 274 779 1,558 2,603 5,206 5,617 11,234 106,723 213,446

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

213,446 106,723 320,170 160,085 480,256 240,128 120,064 60,032 30,016 15,008 7,504 3,752 1,876 938 469 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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