3² × 5² × 19

Prime Factor Structure

Factorization String 3^2 × 5^2 × 19

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 8,060

Proper Divisor Sum 3,785

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #4273 ← → #4283

1 3 5 9 15 19 25 45 57 75 95 171 225 285 475 855 1,425 4,275

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

4,275 12,826 6,413 19,240 9,620 4,810 2,405 7,216 3,608 1,804 902 451 1,354 677 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

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