18,128

2⁴ × 11 × 103

Prime Factor Structure

Factorization String 2^4 × 11 × 103

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 20

Divisor Sum (σ) 38,688

Proper Divisor Sum 20,560

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #18127 ← → #18131

1 2 4 8 11 16 22 44 88 103 176 206 412 824 1,133 1,648 2,266 4,532 9,064 18,128

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

18,128 9,064 4,532 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20

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