408,402

2 × 3⁴ × 2521

Prime Factor Structure

Factorization String 2 × 3^4 × 2521

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 20

Divisor Sum (σ) 915,486

Proper Divisor Sum 507,084

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #408389 ← → #408403

1 2 3 6 9 18 27 54 81 162 2,521 5,042 7,563 15,126 22,689 45,378 68,067 136,134 204,201 408,402

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

408,402 204,201 612,604 306,302 153,151 459,454 229,727 689,182 344,591 1,033,774 516,887 1,550,662 775,331 2,325,994 1,162,997 3,488,992 1,744,496 872,248 436,124 218,062 109,031 327,094 163,547 490,642 245,321 735,964 367,982 183,991 551,974 275,987 827,962 413,981 1,241,944 620,972 310,486 155,243 465,730 232,865 698,596 349,298 174,649 523,948 261,974 130,987 392,962 196,481 589,444 294,722 147,361 442,084 221,042 110,521 331,564 165,782 82,891 248,674 124,337 373,012 186,506 93,253

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