2² × 7 × 47 × 311

Prime Factor Structure

Factorization String 2^2 × 7 × 47 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 838,656

Proper Divisor Sum 429,380

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #409271 ← → #409289

1 2 4 7 14 28 47 94 188 311 329 622 658 1,244 1,316 2,177 4,354 8,708 14,617 29,234 58,468 102,319 204,638 409,276

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

409,276 204,638 102,319 306,958 153,479 460,438 230,219 690,658 345,329 1,035,988 517,994 258,997 776,992 388,496 194,248 97,124 48,562 24,281 72,844 36,422 18,211 54,634 27,317 81,952 40,976 20,488 10,244 5,122 2,561 7,684 3,842 1,921 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290 145 436

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