3² × 5² × 11 × 173

Prime Factor Structure

Factorization String 3^2 × 5^2 × 11 × 173

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 841,464

Proper Divisor Sum 413,289

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #428173 ← → #428177

1 3 5 9 11 15 25 33 45 55 75 99 165 173 225 275 495 519 825 865 1,557 1,903 2,475 2,595 4,325 5,709 7,785 9,515 12,975 17,127 28,545 38,925 47,575 85,635 142,725 428,175

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

428,175 1,284,526 642,263 1,926,790 963,395 2,890,186 1,445,093 4,335,280 2,167,640 1,083,820 541,910 270,955 812,866 406,433 1,219,300 609,650 304,825 914,476 457,238 228,619 685,858 342,929 1,028,788 514,394 257,197 771,592 385,796 192,898 96,449 289,348 144,674 72,337 217,012 108,506 54,253 162,760 81,380 40,690 20,345 61,036 30,518 15,259 45,778 22,889 68,668 34,334 17,167 51,502 25,751 77,254 38,627 115,882 57,941 173,824 86,912 43,456 21,728 10,864 5,432 2,716

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