2² × 5 × 13 × 1237

Prime Factor Structure

Factorization String 2^2 × 5 × 13 × 1237

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 727,944

Proper Divisor Sum 406,324

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #321619 ← → #321631

1 2 4 5 10 13 20 26 52 65 130 260 1,237 2,474 4,948 6,185 12,370 16,081 24,740 32,162 64,324 80,405 160,810 321,620

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

321,620 160,810 80,405 241,216 120,608 60,304 30,152 15,076 7,538 3,769 11,308 5,654 2,827 8,482 4,241 12,724 6,362 3,181 9,544 4,772 2,386 1,193 3,580 1,790 895 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045

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