2⁵ × 5² × 31 × 67

Prime Factor Structure

Factorization String 2^5 × 5^2 × 31 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 4,249,728

Proper Divisor Sum 2,588,128

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1661599 ← → #1661623

1 2 4 5 8 10 16 20 25 31 32 40 50 62 67 80 100 124 134 155 160 200 248 268 310 335 400 496 536 620 670 775 800 992 1,072 1,240 1,340 1,550 1,675 2,077 2,144 2,480 2,680 3,100 3,350 4,154 4,960 5,360 6,200 6,700 8,308 10,385 10,720 12,400 13,400 16,616 20,770 24,800 26,800 33,232

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

1,661,600 830,800 415,400 207,700 103,850 51,925 155,776 77,888 38,944 19,472 9,736 4,868 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310

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