λ
Sigma Notebook

2,556,349

53 × 139 × 347
Deficient Odd Composite

2,556,349 is odd and not a perfect square. Its factorization is 53 × 139 × 347 and its 8 divisors sum to 2,630,880.

Prime Factor Structure

Factorization String 53 × 139 × 347
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,630,880
Proper Divisor Sum 74,531
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #2556331 ← → #2556373

Radix Representation

Decimal 2556349
Binary 1001110000000110111101 (22 bits)
Octal 0o11600675
Hexadecimal 0x2701BD

Divisor Catalog (8)

1 53 139 347 7,367 18,391 48,233 2,556,349

Collatz Trajectory (249 steps to reach 1)

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

2,556,349 7,669,048 3,834,524 1,917,262 958,631 2,875,894 1,437,947 4,313,842 2,156,921 6,470,764 3,235,382 1,617,691 4,853,074 2,426,537 7,279,612 3,639,806 1,819,903 5,459,710 2,729,855 8,189,566 4,094,783 12,284,350 6,142,175 18,426,526 9,213,263 27,639,790 13,819,895 41,459,686 20,729,843 62,189,530 31,094,765 93,284,296 46,642,148 23,321,074 11,660,537 34,981,612 17,490,806 8,745,403 26,236,210 13,118,105 39,354,316 19,677,158 9,838,579 29,515,738 14,757,869 44,273,608 22,136,804 11,068,402 5,534,201 16,602,604 8,301,302 4,150,651 12,451,954 6,225,977 18,677,932 9,338,966 4,669,483 14,008,450 7,004,225 21,012,676

More profiles

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