λ
Sigma Notebook

895,018

2 × 447509
Deficient Even Composite

895,018 is even and not a perfect square. Its factorization is 2 × 447509 and its 4 divisors sum to 1,342,530.

Prime Factor Structure

Factorization String 2 × 447509
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,342,530
Proper Divisor Sum 447,512
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #895009 ← → #895039

Radix Representation

Decimal 895018
Binary 11011010100000101010 (20 bits)
Octal 0o3324052
Hexadecimal 0xDA82A

Divisor Catalog (4)

1 2 447,509 895,018

Collatz Trajectory (157 steps to reach 1)

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

895,018 447,509 1,342,528 671,264 335,632 167,816 83,908 41,954 20,977 62,932 31,466 15,733 47,200 23,600 11,800 5,900 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71 214 107 322 161

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