λ
Sigma Notebook

7,142,407

839 × 8513
Deficient Odd Composite

7,142,407 is odd and not a perfect square. Its factorization is 839 × 8513 and its 4 divisors sum to 7,151,760.

Prime Factor Structure

Factorization String 839 × 8513
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,151,760
Proper Divisor Sum 9,353
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #7142383 ← → #7142413

Radix Representation

Decimal 7142407
Binary 11011001111110000000111 (23 bits)
Octal 0o33176007
Hexadecimal 0x6CFC07

Divisor Catalog (4)

1 839 8,513 7,142,407

Collatz Trajectory (173 steps to reach 1)

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

7,142,407 21,427,222 10,713,611 32,140,834 16,070,417 48,211,252 24,105,626 12,052,813 36,158,440 18,079,220 9,039,610 4,519,805 13,559,416 6,779,708 3,389,854 1,694,927 5,084,782 2,542,391 7,627,174 3,813,587 11,440,762 5,720,381 17,161,144 8,580,572 4,290,286 2,145,143 6,435,430 3,217,715 9,653,146 4,826,573 14,479,720 7,239,860 3,619,930 1,809,965 5,429,896 2,714,948 1,357,474 678,737 2,036,212 1,018,106 509,053 1,527,160 763,580 381,790 190,895 572,686 286,343 859,030 429,515 1,288,546 644,273 1,932,820 966,410 483,205 1,449,616 724,808 362,404 181,202 90,601 271,804

More profiles

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