17 × 31 × 137

Prime Factor Structure

Factorization String 17 × 31 × 137

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 79,488

Proper Divisor Sum 7,289

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #72173 ← → #72211

1 17 31 137 527 2,329 4,247 72,199

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

72,199 216,598 108,299 324,898 162,449 487,348 243,674 121,837 365,512 182,756 91,378 45,689 137,068 68,534 34,267 102,802 51,401 154,204 77,102 38,551 115,654 57,827 173,482 86,741 260,224 130,112 65,056 32,528 16,264 8,132 4,066 2,033 6,100 3,050 1,525 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466

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