λ
Sigma Notebook

6,648,131

7 × 949733
Deficient Odd Composite

6,648,131 is odd and not a perfect square. Its factorization is 7 × 949733 and its 4 divisors sum to 7,597,872.

Prime Factor Structure

Factorization String 7 × 949733
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,597,872
Proper Divisor Sum 949,741
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #6648121 ← → #6648133

Radix Representation

Decimal 6648131
Binary 11001010111000101000011 (23 bits)
Octal 0o31270503
Hexadecimal 0x657143

Divisor Catalog (4)

1 7 949,733 6,648,131

Collatz Trajectory (147 steps to reach 1)

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

6,648,131 19,944,394 9,972,197 29,916,592 14,958,296 7,479,148 3,739,574 1,869,787 5,609,362 2,804,681 8,414,044 4,207,022 2,103,511 6,310,534 3,155,267 9,465,802 4,732,901 14,198,704 7,099,352 3,549,676 1,774,838 887,419 2,662,258 1,331,129 3,993,388 1,996,694 998,347 2,995,042 1,497,521 4,492,564 2,246,282 1,123,141 3,369,424 1,684,712 842,356 421,178 210,589 631,768 315,884 157,942 78,971 236,914 118,457 355,372 177,686 88,843 266,530 133,265 399,796 199,898 99,949 299,848 149,924 74,962 37,481 112,444 56,222 28,111 84,334 42,167

More profiles

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