3² × 17² × 277

Prime Factor Structure

Factorization String 3^2 × 17^2 × 277

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,109,498

Proper Divisor Sum 389,021

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #720439 ← → #720481

1 3 9 17 51 153 277 289 831 867 2,493 2,601 4,709 14,127 42,381 80,053 240,159 720,477

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

720,477 2,161,432 1,080,716 540,358 270,179 810,538 405,269 1,215,808 607,904 303,952 151,976 75,988 37,994 18,997 56,992 28,496 14,248 7,124 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377 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

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