λ
Sigma Notebook

1,186,587

32 × 31 × 4253
Deficient Odd Composite

1,186,587 is odd and not a perfect square. Its factorization is 3^2 × 31 × 4253 and its 12 divisors sum to 1,769,664.

Prime Factor Structure

Factorization String 3^2 × 31 × 4253
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 1,769,664
Proper Divisor Sum 583,077
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #1186573 ← → #1186589

Radix Representation

Decimal 1186587
Binary 100100001101100011011 (21 bits)
Octal 0o4415433
Hexadecimal 0x121B1B

Divisor Catalog (12)

1 3 9 31 93 279 4,253 12,759 38,277 131,843 395,529 1,186,587

Collatz Trajectory (266 steps to reach 1)

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

1,186,587 3,559,762 1,779,881 5,339,644 2,669,822 1,334,911 4,004,734 2,002,367 6,007,102 3,003,551 9,010,654 4,505,327 13,515,982 6,757,991 20,273,974 10,136,987 30,410,962 15,205,481 45,616,444 22,808,222 11,404,111 34,212,334 17,106,167 51,318,502 25,659,251 76,977,754 38,488,877 115,466,632 57,733,316 28,866,658 14,433,329 43,299,988 21,649,994 10,824,997 32,474,992 16,237,496 8,118,748 4,059,374 2,029,687 6,089,062 3,044,531 9,133,594 4,566,797 13,700,392 6,850,196 3,425,098 1,712,549 5,137,648 2,568,824 1,284,412 642,206 321,103 963,310 481,655 1,444,966 722,483 2,167,450 1,083,725 3,251,176 1,625,588

More profiles

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