λ
Sigma Notebook

8,172,124

22 × 67 × 30493
Deficient Even Composite

8,172,124 is even and not a perfect square. Its factorization is 2^2 × 67 × 30493 and its 12 divisors sum to 14,515,144.

Prime Factor Structure

Factorization String 2^2 × 67 × 30493
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 14,515,144
Proper Divisor Sum 6,343,020
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #8172119 ← → #8172137

Radix Representation

Decimal 8172124
Binary 11111001011001001011100 (23 bits)
Octal 0o37131134
Hexadecimal 0x7CB25C

Divisor Catalog (12)

1 2 4 67 134 268 30,493 60,986 121,972 2,043,031 4,086,062 8,172,124

Collatz Trajectory (106 steps to reach 1)

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

8,172,124 4,086,062 2,043,031 6,129,094 3,064,547 9,193,642 4,596,821 13,790,464 6,895,232 3,447,616 1,723,808 861,904 430,952 215,476 107,738 53,869 161,608 80,804 40,402 20,201 60,604 30,302 15,151 45,454 22,727 68,182 34,091 102,274 51,137 153,412 76,706 38,353 115,060 57,530 28,765 86,296 43,148 21,574 10,787 32,362 16,181 48,544 24,272 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444

More profiles

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