3 × 7 × 13 × 499

Prime Factor Structure

Factorization String 3 × 7 × 13 × 499

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 224,000

Proper Divisor Sum 87,773

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #136223 ← → #136237

1 3 7 13 21 39 91 273 499 1,497 3,493 6,487 10,479 19,461 45,409 136,227

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

136,227 408,682 204,341 613,024 306,512 153,256 76,628 38,314 19,157 57,472 28,736 14,368 7,184 3,592 1,796 898 449 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

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