2² × 5 × 13² × 89

Prime Factor Structure

Factorization String 2^2 × 5 × 13^2 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 691,740

Proper Divisor Sum 390,920

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #300809 ← → #300821

1 2 4 5 10 13 20 26 52 65 89 130 169 178 260 338 356 445 676 845 890 1,157 1,690 1,780 2,314 3,380 4,628 5,785 11,570 15,041 23,140 30,082 60,164 75,205 150,410 300,820

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

300,820 150,410 75,205 225,616 112,808 56,404 28,202 14,101 42,304 21,152 10,576 5,288 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334

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