3² × 13² × 19

Prime Factor Structure

Factorization String 3^2 × 13^2 × 19

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 47,580

Proper Divisor Sum 18,681

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #28879 ← → #28901

1 3 9 13 19 39 57 117 169 171 247 507 741 1,521 2,223 3,211 9,633 28,899

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

28,899 86,698 43,349 130,048 65,024 32,512 16,256 8,128 4,064 2,032 1,016 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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