λ
Sigma Notebook

4,905,679

389 × 12611
Deficient Odd Composite

4,905,679 is odd and not a perfect square. Its factorization is 389 × 12611 and its 4 divisors sum to 4,918,680.

Prime Factor Structure

Factorization String 389 × 12611
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,918,680
Proper Divisor Sum 13,001
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #4905661 ← → #4905701

Radix Representation

Decimal 4905679
Binary 10010101101101011001111 (23 bits)
Octal 0o22555317
Hexadecimal 0x4ADACF

Divisor Catalog (4)

1 389 12,611 4,905,679

Collatz Trajectory (268 steps to reach 1)

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

4,905,679 14,717,038 7,358,519 22,075,558 11,037,779 33,113,338 16,556,669 49,670,008 24,835,004 12,417,502 6,208,751 18,626,254 9,313,127 27,939,382 13,969,691 41,909,074 20,954,537 62,863,612 31,431,806 15,715,903 47,147,710 23,573,855 70,721,566 35,360,783 106,082,350 53,041,175 159,123,526 79,561,763 238,685,290 119,342,645 358,027,936 179,013,968 89,506,984 44,753,492 22,376,746 11,188,373 33,565,120 16,782,560 8,391,280 4,195,640 2,097,820 1,048,910 524,455 1,573,366 786,683 2,360,050 1,180,025 3,540,076 1,770,038 885,019 2,655,058 1,327,529 3,982,588 1,991,294 995,647 2,986,942 1,493,471 4,480,414 2,240,207 6,720,622

More profiles

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