129,808

2⁴ × 7 × 19 × 61

Prime Factor Structure

Factorization String 2^4 × 7 × 19 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 40

Divisor Sum (σ) 307,520

Proper Divisor Sum 177,712

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #129803 ← → #129841

1 2 4 7 8 14 16 19 28 38 56 61 76 112 122 133 152 244 266 304 427 488 532 854 976 1,064 1,159 1,708 2,128 2,318 3,416 4,636 6,832 8,113 9,272 16,226 18,544 32,452 64,904 129,808

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

129,808 64,904 32,452 16,226 8,113 24,340 12,170 6,085 18,256 9,128 4,564 2,282 1,141 3,424 1,712 856 428 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850

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