3² × 7 × 19 × 151

Prime Factor Structure

Factorization String 3^2 × 7 × 19 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 316,160

Proper Divisor Sum 135,413

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #180731 ← → #180749

1 3 7 9 19 21 57 63 133 151 171 399 453 1,057 1,197 1,359 2,869 3,171 8,607 9,513 20,083 25,821 60,249 180,747

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

180,747 542,242 271,121 813,364 406,682 203,341 610,024 305,012 152,506 76,253 228,760 114,380 57,190 28,595 85,786 42,893 128,680 64,340 32,170 16,085 48,256 24,128 12,064 6,032 3,016 1,508 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154

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