2² × 7 × 23 × 401

Prime Factor Structure

Factorization String 2^2 × 7 × 23 × 401

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 540,288

Proper Divisor Sum 282,044

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #258241 ← → #258253

1 2 4 7 14 23 28 46 92 161 322 401 644 802 1,604 2,807 5,614 9,223 11,228 18,446 36,892 64,561 129,122 258,244

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

258,244 129,122 64,561 193,684 96,842 48,421 145,264 72,632 36,316 18,158 9,079 27,238 13,619 40,858 20,429 61,288 30,644 15,322 7,661 22,984 11,492 5,746 2,873 8,620 4,310 2,155 6,466 3,233 9,700 4,850 2,425 7,276 3,638 1,819 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292

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