2² × 7 × 29 × 491

Prime Factor Structure

Factorization String 2^2 × 7 × 29 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 826,560

Proper Divisor Sum 427,868

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #398683 ← → #398693

1 2 4 7 14 28 29 58 116 203 406 491 812 982 1,964 3,437 6,874 13,748 14,239 28,478 56,956 99,673 199,346 398,692

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

398,692 199,346 99,673 299,020 149,510 74,755 224,266 112,133 336,400 168,200 84,100 42,050 21,025 63,076 31,538 15,769 47,308 23,654 11,827 35,482 17,741 53,224 26,612 13,306 6,653 19,960 9,980 4,990 2,495 7,486 3,743 11,230 5,615 16,846 8,423 25,270 12,635 37,906 18,953 56,860 28,430 14,215 42,646 21,323 63,970 31,985 95,956 47,978 23,989 71,968 35,984 17,992 8,996 4,498 2,249 6,748 3,374 1,687 5,062 2,531

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