42,972

2² × 3 × 3581

Prime Factor Structure

Factorization String 2^2 × 3 × 3581

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 100,296

Proper Divisor Sum 57,324

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #42967 ← → #42979

1 2 3 4 6 12 3,581 7,162 10,743 14,324 21,486 42,972

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

42,972 21,486 10,743 32,230 16,115 48,346 24,173 72,520 36,260 18,130 9,065 27,196 13,598 6,799 20,398 10,199 30,598 15,299 45,898 22,949 68,848 34,424 17,212 8,606 4,303 12,910 6,455 19,366 9,683 29,050 14,525 43,576 21,788 10,894 5,447 16,342 8,171 24,514 12,257 36,772 18,386 9,193 27,580 13,790 6,895 20,686 10,343 31,030 15,515 46,546 23,273 69,820 34,910 17,455 52,366 26,183 78,550 39,275 117,826 58,913

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