2³ × 5 × 16231

Prime Factor Structure

Factorization String 2^3 × 5 × 16231

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,460,880

Proper Divisor Sum 811,640

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #649217 ← → #649261

1 2 4 5 8 10 20 40 16,231 32,462 64,924 81,155 129,848 162,310 324,620 649,240

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

649,240 324,620 162,310 81,155 243,466 121,733 365,200 182,600 91,300 45,650 22,825 68,476 34,238 17,119 51,358 25,679 77,038 38,519 115,558 57,779 173,338 86,669 260,008 130,004 65,002 32,501 97,504 48,752 24,376 12,188 6,094 3,047 9,142 4,571 13,714 6,857 20,572 10,286 5,143 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628 814 407 1,222 611 1,834 917 2,752 1,376 688

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