2⁹ × 5 × 157

Prime Factor Structure

Factorization String 2^9 × 5 × 157

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 969,804

Proper Divisor Sum 567,884

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #401917 ← → #401939

1 2 4 5 8 10 16 20 32 40 64 80 128 157 160 256 314 320 512 628 640 785 1,256 1,280 1,570 2,512 2,560 3,140 5,024 6,280 10,048 12,560 20,096 25,120 40,192 50,240 80,384 100,480 200,960 401,920

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

401,920 200,960 100,480 50,240 25,120 12,560 6,280 3,140 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445

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