2 × 3² × 5 × 7

Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 7

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,872

Proper Divisor Sum 1,242

Digit Sum / Digital Root 9 (Root: 9)

Adjacent Primes #619 ← → #631

1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630

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

630 315 946 473 1,420 710 355 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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