λ
Sigma Notebook

6,840,961

157 × 43573
Deficient Odd Composite

6,840,961 is odd and not a perfect square. Its factorization is 157 × 43573 and its 4 divisors sum to 6,884,692.

Prime Factor Structure

Factorization String 157 × 43573
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,884,692
Proper Divisor Sum 43,731
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #6840941 ← → #6840979

Radix Representation

Decimal 6840961
Binary 11010000110001010000001 (23 bits)
Octal 0o32061201
Hexadecimal 0x686281

Divisor Catalog (4)

1 157 43,573 6,840,961

Collatz Trajectory (134 steps to reach 1)

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

6,840,961 20,522,884 10,261,442 5,130,721 15,392,164 7,696,082 3,848,041 11,544,124 5,772,062 2,886,031 8,658,094 4,329,047 12,987,142 6,493,571 19,480,714 9,740,357 29,221,072 14,610,536 7,305,268 3,652,634 1,826,317 5,478,952 2,739,476 1,369,738 684,869 2,054,608 1,027,304 513,652 256,826 128,413 385,240 192,620 96,310 48,155 144,466 72,233 216,700 108,350 54,175 162,526 81,263 243,790 121,895 365,686 182,843 548,530 274,265 822,796 411,398 205,699 617,098 308,549 925,648 462,824 231,412 115,706 57,853 173,560 86,780 43,390

More profiles

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