13 × 19 × 23 × 293

Prime Factor Structure

Factorization String 13 × 19 × 23 × 293

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,975,680

Proper Divisor Sum 311,147

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1664501 ← → #1664543

1 13 19 23 247 293 299 437 3,809 5,567 5,681 6,739 72,371 87,607 128,041 1,664,533

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

1,664,533 4,993,600 2,496,800 1,248,400 624,200 312,100 156,050 78,025 234,076 117,038 58,519 175,558 87,779 263,338 131,669 395,008 197,504 98,752 49,376 24,688 12,344 6,172 3,086 1,543 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816 3,908 1,954 977 2,932 1,466 733 2,200 1,100 550 275 826 413 1,240 620 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780

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