2² × 5 × 89

Prime Factor Structure

Factorization String 2^2 × 5 × 89

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,780

Proper Divisor Sum 2,000

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1777 ← → #1783

1 2 4 5 10 20 89 178 356 445 890 1,780

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

1,780 890 445 1,336 668 334 167 502 251 754 377 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 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70

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