19 × 137 × 139

Prime Factor Structure

Factorization String 19 × 137 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 386,400

Proper Divisor Sum 24,583

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #361807 ← → #361843

1 19 137 139 2,603 2,641 19,043 361,817

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

361,817 1,085,452 542,726 271,363 814,090 407,045 1,221,136 610,568 305,284 152,642 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

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