λ
Sigma Notebook

637,545

3 × 5 × 19 × 2237
Deficient Odd Composite

637,545 is odd and not a perfect square. Its factorization is 3 × 5 × 19 × 2237 and its 16 divisors sum to 1,074,240.

Prime Factor Structure

Factorization String 3 × 5 × 19 × 2237
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,074,240
Proper Divisor Sum 436,695
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #637543 ← → #637573

Radix Representation

Decimal 637545
Binary 10011011101001101001 (20 bits)
Octal 0o2335151
Hexadecimal 0x9BA69

Divisor Catalog (16)

1 3 5 15 19 57 95 285 2,237 6,711 11,185 33,555 42,503 127,509 212,515 637,545

Collatz Trajectory (172 steps to reach 1)

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

637,545 1,912,636 956,318 478,159 1,434,478 717,239 2,151,718 1,075,859 3,227,578 1,613,789 4,841,368 2,420,684 1,210,342 605,171 1,815,514 907,757 2,723,272 1,361,636 680,818 340,409 1,021,228 510,614 255,307 765,922 382,961 1,148,884 574,442 287,221 861,664 430,832 215,416 107,708 53,854 26,927 80,782 40,391 121,174 60,587 181,762 90,881 272,644 136,322 68,161 204,484 102,242 51,121 153,364 76,682 38,341 115,024 57,512 28,756 14,378 7,189 21,568 10,784 5,392 2,696 1,348 674

More profiles

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