2² × 5 × 18089

Prime Factor Structure

Factorization String 2^2 × 5 × 18089

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 759,780

Proper Divisor Sum 398,000

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #361769 ← → #361787

1 2 4 5 10 20 18,089 36,178 72,356 90,445 180,890 361,780

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

361,780 180,890 90,445 271,336 135,668 67,834 33,917 101,752 50,876 25,438 12,719 38,158 19,079 57,238 28,619 85,858 42,929 128,788 64,394 32,197 96,592 48,296 24,148 12,074 6,037 18,112 9,056 4,528 2,264 1,132 566 283 850 425 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

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