2⁴ × 131 × 139

Prime Factor Structure

Factorization String 2^4 × 131 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 572,880

Proper Divisor Sum 281,536

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #291337 ← → #291349

1 2 4 8 16 131 139 262 278 524 556 1,048 1,112 2,096 2,224 18,209 36,418 72,836 145,672 291,344

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

291,344 145,672 72,836 36,418 18,209 54,628 27,314 13,657 40,972 20,486 10,243 30,730 15,365 46,096 23,048 11,524 5,762 2,881 8,644 4,322 2,161 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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