157,158

2 × 3² × 8731

Prime Factor Structure

Factorization String 2 × 3^2 × 8731

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 340,548

Proper Divisor Sum 183,390

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #157141 ← → #157163

1 2 3 6 9 18 8,731 17,462 26,193 52,386 78,579 157,158

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

157,158 78,579 235,738 117,869 353,608 176,804 88,402 44,201 132,604 66,302 33,151 99,454 49,727 149,182 74,591 223,774 111,887 335,662 167,831 503,494 251,747 755,242 377,621 1,132,864 566,432 283,216 141,608 70,804 35,402 17,701 53,104 26,552 13,276 6,638 3,319 9,958 4,979 14,938 7,469 22,408 11,204 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148 74 37 112 56 28

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