402,525

3² × 5² × 1789

Prime Factor Structure

Factorization String 3^2 × 5^2 × 1789

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 18

Divisor Sum (σ) 721,370

Proper Divisor Sum 318,845

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #402517 ← → #402527

1 3 5 9 15 25 45 75 225 1,789 5,367 8,945 16,101 26,835 44,725 80,505 134,175 402,525

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

402,525 1,207,576 603,788 301,894 150,947 452,842 226,421 679,264 339,632 169,816 84,908 42,454 21,227 63,682 31,841 95,524 47,762 23,881 71,644 35,822 17,911 53,734 26,867 80,602 40,301 120,904 60,452 30,226 15,113 45,340 22,670 11,335 34,006 17,003 51,010 25,505 76,516 38,258 19,129 57,388 28,694 14,347 43,042 21,521 64,564 32,282 16,141 48,424 24,212 12,106 6,053 18,160 9,080 4,540 2,270 1,135 3,406 1,703 5,110 2,555

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