λ
Sigma Notebook

212,879

193 × 1103
Deficient Odd Composite

212,879 is odd and not a perfect square. Its factorization is 193 × 1103 and its 4 divisors sum to 214,176.

Prime Factor Structure

Factorization String 193 × 1103
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 214,176
Proper Divisor Sum 1,297
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #212873 ← → #212881

Radix Representation

Decimal 212879
Binary 110011111110001111 (18 bits)
Octal 0o637617
Hexadecimal 0x33F8F

Divisor Catalog (4)

1 193 1,103 212,879

Collatz Trajectory (173 steps to reach 1)

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

212,879 638,638 319,319 957,958 478,979 1,436,938 718,469 2,155,408 1,077,704 538,852 269,426 134,713 404,140 202,070 101,035 303,106 151,553 454,660 227,330 113,665 340,996 170,498 85,249 255,748 127,874 63,937 191,812 95,906 47,953 143,860 71,930 35,965 107,896 53,948 26,974 13,487 40,462 20,231 60,694 30,347 91,042 45,521 136,564 68,282 34,141 102,424 51,212 25,606 12,803 38,410 19,205 57,616 28,808 14,404 7,202 3,601 10,804 5,402 2,701 8,104

More profiles

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