λ
Sigma Notebook

8,857,655

5 × 1771531
Deficient Odd Composite

8,857,655 is odd and not a perfect square. Its factorization is 5 × 1771531 and its 4 divisors sum to 10,629,192.

Prime Factor Structure

Factorization String 5 × 1771531
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,629,192
Proper Divisor Sum 1,771,537
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #8857649 ← → #8857669

Radix Representation

Decimal 8857655
Binary 100001110010100000110111 (24 bits)
Octal 0o41624067
Hexadecimal 0x872837

Divisor Catalog (4)

1 5 1,771,531 8,857,655

Collatz Trajectory (424 steps to reach 1)

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

8,857,655 26,572,966 13,286,483 39,859,450 19,929,725 59,789,176 29,894,588 14,947,294 7,473,647 22,420,942 11,210,471 33,631,414 16,815,707 50,447,122 25,223,561 75,670,684 37,835,342 18,917,671 56,753,014 28,376,507 85,129,522 42,564,761 127,694,284 63,847,142 31,923,571 95,770,714 47,885,357 143,656,072 71,828,036 35,914,018 17,957,009 53,871,028 26,935,514 13,467,757 40,403,272 20,201,636 10,100,818 5,050,409 15,151,228 7,575,614 3,787,807 11,363,422 5,681,711 17,045,134 8,522,567 25,567,702 12,783,851 38,351,554 19,175,777 57,527,332 28,763,666 14,381,833 43,145,500 21,572,750 10,786,375 32,359,126 16,179,563 48,538,690 24,269,345 72,808,036

More profiles

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