λ
Sigma Notebook

1,222,819

13 × 94063
Deficient Odd Composite

1,222,819 is odd and not a perfect square. Its factorization is 13 × 94063 and its 4 divisors sum to 1,316,896.

Prime Factor Structure

Factorization String 13 × 94063
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,316,896
Proper Divisor Sum 94,077
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1222811 ← → #1222829

Radix Representation

Decimal 1222819
Binary 100101010100010100011 (21 bits)
Octal 0o4524243
Hexadecimal 0x12A8A3

Divisor Catalog (4)

1 13 94,063 1,222,819

Collatz Trajectory (173 steps to reach 1)

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

1,222,819 3,668,458 1,834,229 5,502,688 2,751,344 1,375,672 687,836 343,918 171,959 515,878 257,939 773,818 386,909 1,160,728 580,364 290,182 145,091 435,274 217,637 652,912 326,456 163,228 81,614 40,807 122,422 61,211 183,634 91,817 275,452 137,726 68,863 206,590 103,295 309,886 154,943 464,830 232,415 697,246 348,623 1,045,870 522,935 1,568,806 784,403 2,353,210 1,176,605 3,529,816 1,764,908 882,454 441,227 1,323,682 661,841 1,985,524 992,762 496,381 1,489,144 744,572 372,286 186,143 558,430 279,215

More profiles

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