2⁵ × 3² × 7 × 139

Prime Factor Structure

Factorization String 2^5 × 3^2 × 7 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 917,280

Proper Divisor Sum 637,056

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #280223 ← → #280229

1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 139 144 168 224 252 278 288 336 417 504 556 672 834 973 1,008 1,112 1,251 1,668 1,946 2,016 2,224 2,502 2,919 3,336 3,892 4,448 5,004 5,838 6,672 7,784 8,757 10,008 11,676 13,344

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

280,224 140,112 70,056 35,028 17,514 8,757 26,272 13,136 6,568 3,284 1,642 821 2,464 1,232 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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