672,015

3 × 5 × 71 × 631

Prime Factor Structure

Factorization String 3 × 5 × 71 × 631

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,092,096

Proper Divisor Sum 420,081

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #671999 ← → #672019

1 3 5 15 71 213 355 631 1,065 1,893 3,155 9,465 44,801 134,403 224,005 672,015

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

672,015 2,016,046 1,008,023 3,024,070 1,512,035 4,536,106 2,268,053 6,804,160 3,402,080 1,701,040 850,520 425,260 212,630 106,315 318,946 159,473 478,420 239,210 119,605 358,816 179,408 89,704 44,852 22,426 11,213 33,640 16,820 8,410 4,205 12,616 6,308 3,154 1,577 4,732 2,366 1,183 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268

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