λ
Sigma Notebook

4,007,402

2 × 7 × 286243
Deficient Even Composite

4,007,402 is even and not a perfect square. Its factorization is 2 × 7 × 286243 and its 8 divisors sum to 6,869,856.

Prime Factor Structure

Factorization String 2 × 7 × 286243
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,869,856
Proper Divisor Sum 2,862,454
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #4007369 ← → #4007407

Radix Representation

Decimal 4007402
Binary 1111010010010111101010 (22 bits)
Octal 0o17222752
Hexadecimal 0x3D25EA

Divisor Catalog (8)

1 2 7 14 286,243 572,486 2,003,701 4,007,402

Collatz Trajectory (92 steps to reach 1)

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

4,007,402 2,003,701 6,011,104 3,005,552 1,502,776 751,388 375,694 187,847 563,542 281,771 845,314 422,657 1,267,972 633,986 316,993 950,980 475,490 237,745 713,236 356,618 178,309 534,928 267,464 133,732 66,866 33,433 100,300 50,150 25,075 75,226 37,613 112,840 56,420 28,210 14,105 42,316 21,158 10,579 31,738 15,869 47,608 23,804 11,902 5,951 17,854 8,927 26,782 13,391 40,174 20,087 60,262 30,131 90,394 45,197 135,592 67,796 33,898 16,949 50,848 25,424

More profiles

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