87,278

2 × 17² × 151

Prime Factor Structure

Factorization String 2 × 17^2 × 151

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 139,992

Proper Divisor Sum 52,714

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #87277 ← → #87281

1 2 17 34 151 289 302 578 2,567 5,134 43,639 87,278

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

87,278 43,639 130,918 65,459 196,378 98,189 294,568 147,284 73,642 36,821 110,464 55,232 27,616 13,808 6,904 3,452 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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