λ
Sigma Notebook

1,618,829

1618829
Deficient Odd Prime

1,618,829 is odd and not a perfect square. Its factorization is 1618829 and its 2 divisors sum to 1,618,830.

Prime Factor Structure

Factorization String 1618829
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,618,830
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1618823 ← → #1618831

Radix Representation

Decimal 1618829
Binary 110001011001110001101 (21 bits)
Octal 0o6131615
Hexadecimal 0x18B38D

Divisor Catalog (2)

1 1,618,829

Collatz Trajectory (163 steps to reach 1)

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

1,618,829 4,856,488 2,428,244 1,214,122 607,061 1,821,184 910,592 455,296 227,648 113,824 56,912 28,456 14,228 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286

More profiles

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