2² × 5 × 7² × 313

Prime Factor Structure

Factorization String 2^2 × 5 × 7^2 × 313

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 751,716

Proper Divisor Sum 444,976

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #306739 ← → #306749

1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 313 490 626 980 1,252 1,565 2,191 3,130 4,382 6,260 8,764 10,955 15,337 21,910 30,674 43,820 61,348 76,685 153,370 306,740

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

306,740 153,370 76,685 230,056 115,028 57,514 28,757 86,272 43,136 21,568 10,784 5,392 2,696 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 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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