λ
Sigma Notebook

4,995,991

72 × 11 × 13 × 23 × 31
Deficient Odd Composite

4,995,991 is odd and not a perfect square. Its factorization is 7^2 × 11 × 13 × 23 × 31 and its 48 divisors sum to 7,354,368.

Prime Factor Structure

Factorization String 7^2 × 11 × 13 × 23 × 31
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 7,354,368
Proper Divisor Sum 2,358,377
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #4995983 ← → #4995997

Radix Representation

Decimal 4995991
Binary 10011000011101110010111 (23 bits)
Octal 0o23035627
Hexadecimal 0x4C3B97

Divisor Catalog (48)

1 7 11 13 23 31 49 77 91 143 161 217 253 299 341 403 539 637 713 1,001 1,127 1,519 1,771 2,093 2,387 2,821 3,289 4,433 4,991 7,007 7,843 9,269 12,397 14,651 16,709 19,747 23,023 31,031 34,937 54,901 64,883 101,959 161,161 217,217 384,307 454,181 713,713 4,995,991

Collatz Trajectory (69 steps to reach 1)

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

4,995,991 14,987,974 7,493,987 22,481,962 11,240,981 33,722,944 16,861,472 8,430,736 4,215,368 2,107,684 1,053,842 526,921 1,580,764 790,382 395,191 1,185,574 592,787 1,778,362 889,181 2,667,544 1,333,772 666,886 333,443 1,000,330 500,165 1,500,496 750,248 375,124 187,562 93,781 281,344 140,672 70,336 35,168 17,584 8,792 4,396 2,198 1,099 3,298 1,649 4,948 2,474 1,237 3,712 1,856 928 464 232 116 58 29 88 44 22 11 34 17 52 26

More profiles

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