λ
Ratio Atlas

27,213,887

1949 × 13963
Deficient Odd Composite

27,213,887 factors as 1949 × 13963. Its 4 positive divisors give a proper-divisor sum of 15,913, so this integer is deficient. The Collatz stopping time is 361 steps.

Prime Factor Structure

Factorization String 1949 × 13963
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 27,229,800
Proper Divisor Sum 15,913
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #27213839 ← → #27213911

Radix Representation

Decimal 27213887
Binary 1100111110100000000111111 (25 bits)
Octal 0o147640077
Hexadecimal 0x19F403F

Divisor Catalog (4)

Collatz Trajectory (361 steps to reach 1)

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

27,213,887 81,641,662 40,820,831 122,462,494 61,231,247 183,693,742 91,846,871 275,540,614 137,770,307 413,310,922 206,655,461 619,966,384 309,983,192 154,991,596 77,495,798 38,747,899 116,243,698 58,121,849 174,365,548 87,182,774 43,591,387 130,774,162 65,387,081 196,161,244 98,080,622 49,040,311 147,120,934 73,560,467 220,681,402 110,340,701 331,022,104 165,511,052 82,755,526 41,377,763 124,133,290 62,066,645 186,199,936 93,099,968 46,549,984 23,274,992 11,637,496 5,818,748 2,909,374 1,454,687 4,364,062 2,182,031 6,546,094 3,273,047 9,819,142 4,909,571 14,728,714 7,364,357 22,093,072 11,046,536 5,523,268 2,761,634 1,380,817 4,142,452 2,071,226 1,035,613

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