λ
Sigma Notebook

858,455

5 × 13 × 47 × 281
Deficient Odd Composite

858,455 is odd and not a perfect square. Its factorization is 5 × 13 × 47 × 281 and its 16 divisors sum to 1,137,024.

Prime Factor Structure

Factorization String 5 × 13 × 47 × 281
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,137,024
Proper Divisor Sum 278,569
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #858433 ← → #858457

Radix Representation

Decimal 858455
Binary 11010001100101010111 (20 bits)
Octal 0o3214527
Hexadecimal 0xD1957

Divisor Catalog (16)

1 5 13 47 65 235 281 611 1,405 3,055 3,653 13,207 18,265 66,035 171,691 858,455

Collatz Trajectory (126 steps to reach 1)

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

858,455 2,575,366 1,287,683 3,863,050 1,931,525 5,794,576 2,897,288 1,448,644 724,322 362,161 1,086,484 543,242 271,621 814,864 407,432 203,716 101,858 50,929 152,788 76,394 38,197 114,592 57,296 28,648 14,324 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453

More profiles

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