5 × 4253

Prime Factor Structure

Factorization String 5 × 4253

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 25,524

Proper Divisor Sum 4,259

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21247 ← → #21269

1 5 4,253 21,265

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

21,265 63,796 31,898 15,949 47,848 23,924 11,962 5,981 17,944 8,972 4,486 2,243 6,730 3,365 10,096 5,048 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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