λ
Sigma Notebook

8,912,515

5 × 1782503
Deficient Odd Composite

8,912,515 is odd and not a perfect square. Its factorization is 5 × 1782503 and its 4 divisors sum to 10,695,024.

Prime Factor Structure

Factorization String 5 × 1782503
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,695,024
Proper Divisor Sum 1,782,509
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #8912509 ← → #8912537

Radix Representation

Decimal 8912515
Binary 100001111111111010000011 (24 bits)
Octal 0o41777203
Hexadecimal 0x87FE83

Divisor Catalog (4)

1 5 1,782,503 8,912,515

Collatz Trajectory (181 steps to reach 1)

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

8,912,515 26,737,546 13,368,773 40,106,320 20,053,160 10,026,580 5,013,290 2,506,645 7,519,936 3,759,968 1,879,984 939,992 469,996 234,998 117,499 352,498 176,249 528,748 264,374 132,187 396,562 198,281 594,844 297,422 148,711 446,134 223,067 669,202 334,601 1,003,804 501,902 250,951 752,854 376,427 1,129,282 564,641 1,693,924 846,962 423,481 1,270,444 635,222 317,611 952,834 476,417 1,429,252 714,626 357,313 1,071,940 535,970 267,985 803,956 401,978 200,989 602,968 301,484 150,742 75,371 226,114 113,057 339,172

More profiles

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