20,125

5³ × 7 × 23

Prime Factor Structure

Factorization String 5^3 × 7 × 23

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 29,952

Proper Divisor Sum 9,827

Digit Sum / Digital Root 10 (Root: 1)

Adjacent Primes #20123 ← → #20129

1 5 7 23 25 35 115 125 161 175 575 805 875 2,875 4,025 20,125

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

20,125 60,376 30,188 15,094 7,547 22,642 11,321 33,964 16,982 8,491 25,474 12,737 38,212 19,106 9,553 28,660 14,330 7,165 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

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