λ
Sigma Notebook

2,214,661

2214661
Deficient Odd Prime

2,214,661 is odd and not a perfect square. Its factorization is 2214661 and its 2 divisors sum to 2,214,662.

Prime Factor Structure

Factorization String 2214661
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,214,662
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #2214637 ← → #2214679

Radix Representation

Decimal 2214661
Binary 1000011100101100000101 (22 bits)
Octal 0o10345405
Hexadecimal 0x21CB05

Divisor Catalog (2)

Collatz Trajectory (60 steps to reach 1)

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

2,214,661 6,643,984 3,321,992 1,660,996 830,498 415,249 1,245,748 622,874 311,437 934,312 467,156 233,578 116,789 350,368 175,184 87,592 43,796 21,898 10,949 32,848 16,424 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2

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