138,448

2⁴ × 17 × 509

Prime Factor Structure

Factorization String 2^4 × 17 × 509

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 20

Divisor Sum (σ) 284,580

Proper Divisor Sum 146,132

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #138433 ← → #138449

1 2 4 8 16 17 34 68 136 272 509 1,018 2,036 4,072 8,144 8,653 17,306 34,612 69,224 138,448

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

138,448 69,224 34,612 17,306 8,653 25,960 12,980 6,490 3,245 9,736 4,868 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155

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