2⁴ × 71 × 191

Prime Factor Structure

Factorization String 2^4 × 71 × 191

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 428,544

Proper Divisor Sum 211,568

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #216973 ← → #216991

1 2 4 8 16 71 142 191 284 382 568 764 1,136 1,528 3,056 13,561 27,122 54,244 108,488 216,976

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

216,976 108,488 54,244 27,122 13,561 40,684 20,342 10,171 30,514 15,257 45,772 22,886 11,443 34,330 17,165 51,496 25,748 12,874 6,437 19,312 9,656 4,828 2,414 1,207 3,622 1,811 5,434 2,717 8,152 4,076 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818 409 1,228 614 307 922 461 1,384

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