λ
Sigma Notebook

531,421

11 × 48311
Deficient Odd Composite

531,421 is odd and not a perfect square. Its factorization is 11 × 48311 and its 4 divisors sum to 579,744.

Prime Factor Structure

Factorization String 11 × 48311
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 579,744
Proper Divisor Sum 48,323
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #531383 ← → #531457

Radix Representation

Decimal 531421
Binary 10000001101111011101 (20 bits)
Octal 0o2015735
Hexadecimal 0x81BDD

Divisor Catalog (4)

1 11 48,311 531,421

Collatz Trajectory (239 steps to reach 1)

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

531,421 1,594,264 797,132 398,566 199,283 597,850 298,925 896,776 448,388 224,194 112,097 336,292 168,146 84,073 252,220 126,110 63,055 189,166 94,583 283,750 141,875 425,626 212,813 638,440 319,220 159,610 79,805 239,416 119,708 59,854 29,927 89,782 44,891 134,674 67,337 202,012 101,006 50,503 151,510 75,755 227,266 113,633 340,900 170,450 85,225 255,676 127,838 63,919 191,758 95,879 287,638 143,819 431,458 215,729 647,188 323,594 161,797 485,392 242,696 121,348

More profiles

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