2² × 5 × 89 × 229

Prime Factor Structure

Factorization String 2^2 × 5 × 89 × 229

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 869,400

Proper Divisor Sum 461,780

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #407599 ← → #407621

1 2 4 5 10 20 89 178 229 356 445 458 890 916 1,145 1,780 2,290 4,580 20,381 40,762 81,524 101,905 203,810 407,620

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

407,620 203,810 101,905 305,716 152,858 76,429 229,288 114,644 57,322 28,661 85,984 42,992 21,496 10,748 5,374 2,687 8,062 4,031 12,094 6,047 18,142 9,071 27,214 13,607 40,822 20,411 61,234 30,617 91,852 45,926 22,963 68,890 34,445 103,336 51,668 25,834 12,917 38,752 19,376 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591

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