999,396

2² × 3² × 17 × 23 × 71

Prime Factor Structure

Factorization String 2^2 × 3^2 × 17 × 23 × 71

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 2,830,464

Proper Divisor Sum 1,831,068

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #999389 ← → #999431

1 2 3 4 6 9 12 17 18 23 34 36 46 51 68 69 71 92 102 138 142 153 204 207 213 276 284 306 391 414 426 612 639 782 828 852 1,173 1,207 1,278 1,564 1,633 2,346 2,414 2,556 3,266 3,519 3,621 4,692 4,828 4,899 6,532 7,038 7,242 9,798 10,863 14,076 14,484 14,697 19,596 21,726

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

999,396 499,698 249,849 749,548 374,774 187,387 562,162 281,081 843,244 421,622 210,811 632,434 316,217 948,652 474,326 237,163 711,490 355,745 1,067,236 533,618 266,809 800,428 400,214 200,107 600,322 300,161 900,484 450,242 225,121 675,364 337,682 168,841 506,524 253,262 126,631 379,894 189,947 569,842 284,921 854,764 427,382 213,691 641,074 320,537 961,612 480,806 240,403 721,210 360,605 1,081,816 540,908 270,454 135,227 405,682 202,841 608,524 304,262 152,131 456,394 228,197

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