λ
Sigma Notebook

561,683

23 × 24421
Deficient Odd Composite

561,683 is odd and not a perfect square. Its factorization is 23 × 24421 and its 4 divisors sum to 586,128.

Prime Factor Structure

Factorization String 23 × 24421
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 586,128
Proper Divisor Sum 24,445
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #561667 ← → #561703

Radix Representation

Decimal 561683
Binary 10001001001000010011 (20 bits)
Octal 0o2111023
Hexadecimal 0x89213

Divisor Catalog (4)

1 23 24,421 561,683

Collatz Trajectory (146 steps to reach 1)

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

561,683 1,685,050 842,525 2,527,576 1,263,788 631,894 315,947 947,842 473,921 1,421,764 710,882 355,441 1,066,324 533,162 266,581 799,744 399,872 199,936 99,968 49,984 24,992 12,496 6,248 3,124 1,562 781 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103

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