3 × 7² × 13 × 71

Prime Factor Structure

Factorization String 3 × 7^2 × 13 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 229,824

Proper Divisor Sum 94,143

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #135671 ← → #135697

1 3 7 13 21 39 49 71 91 147 213 273 497 637 923 1,491 1,911 2,769 3,479 6,461 10,437 19,383 45,227 135,681

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

135,681 407,044 203,522 101,761 305,284 152,642 76,321 228,964 114,482 57,241 171,724 85,862 42,931 128,794 64,397 193,192 96,596 48,298 24,149 72,448 36,224 18,112 9,056 4,528 2,264 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 1,154 577 1,732 866

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