3 × 5² × 17 × 107

Prime Factor Structure

Factorization String 3 × 5^2 × 17 × 107

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 241,056

Proper Divisor Sum 104,631

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #136421 ← → #136429

1 3 5 15 17 25 51 75 85 107 255 321 425 535 1,275 1,605 1,819 2,675 5,457 8,025 9,095 27,285 45,475 136,425

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

136,425 409,276 204,638 102,319 306,958 153,479 460,438 230,219 690,658 345,329 1,035,988 517,994 258,997 776,992 388,496 194,248 97,124 48,562 24,281 72,844 36,422 18,211 54,634 27,317 81,952 40,976 20,488 10,244 5,122 2,561 7,684 3,842 1,921 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 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

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