λ
Match Zalai

5,181,979

11 × 471089
Deficient Odd Composite

5,181,979 factors as 11 × 471089. Its 4 positive divisors give a proper-divisor sum of 471,101, so this integer is deficient. The Collatz stopping time is 157 steps.

Prime Factor Structure

Factorization String 11 × 471089
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,653,080
Proper Divisor Sum 471,101
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #5181977 ← → #5181983

Radix Representation

Decimal 5181979
Binary 10011110001001000011011 (23 bits)
Octal 0o23611033
Hexadecimal 0x4F121B

Divisor Catalog (4)

1 11 471,089 5,181,979

Collatz Trajectory (157 steps to reach 1)

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

5,181,979 15,545,938 7,772,969 23,318,908 11,659,454 5,829,727 17,489,182 8,744,591 26,233,774 13,116,887 39,350,662 19,675,331 59,025,994 29,512,997 88,538,992 44,269,496 22,134,748 11,067,374 5,533,687 16,601,062 8,300,531 24,901,594 12,450,797 37,352,392 18,676,196 9,338,098 4,669,049 14,007,148 7,003,574 3,501,787 10,505,362 5,252,681 15,758,044 7,879,022 3,939,511 11,818,534 5,909,267 17,727,802 8,863,901 26,591,704 13,295,852 6,647,926 3,323,963 9,971,890 4,985,945 14,957,836 7,478,918 3,739,459 11,218,378 5,609,189 16,827,568 8,413,784 4,206,892 2,103,446 1,051,723 3,155,170 1,577,585 4,732,756 2,366,378 1,183,189

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