λ
Sigma Notebook

6,990,554

2 × 3495277
Deficient Even Composite

6,990,554 is even and not a perfect square. Its factorization is 2 × 3495277 and its 4 divisors sum to 10,485,834.

Prime Factor Structure

Factorization String 2 × 3495277
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,485,834
Proper Divisor Sum 3,495,280
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #6990547 ← → #6990559

Radix Representation

Decimal 6990554
Binary 11010101010101011011010 (23 bits)
Octal 0o32525332
Hexadecimal 0x6AAADA

Divisor Catalog (4)

1 2 3,495,277 6,990,554

Collatz Trajectory (191 steps to reach 1)

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

6,990,554 3,495,277 10,485,832 5,242,916 2,621,458 1,310,729 3,932,188 1,966,094 983,047 2,949,142 1,474,571 4,423,714 2,211,857 6,635,572 3,317,786 1,658,893 4,976,680 2,488,340 1,244,170 622,085 1,866,256 933,128 466,564 233,282 116,641 349,924 174,962 87,481 262,444 131,222 65,611 196,834 98,417 295,252 147,626 73,813 221,440 110,720 55,360 27,680 13,840 6,920 3,460 1,730 865 2,596 1,298 649 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235

More profiles

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