Properties of the Number 27425

Twenty-Seven Thousand Four Hundred Twenty-Five

Basics

Value: 27424 → 27425 → 27426

Parity: odd

Prime: No

Previous Prime: 27409

Next Prime: 27427

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ² × 1097

Divisors: 1, 5, 25, 1097, 5485, 27425

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110101100100001

Octal: 65441

Duodecimal: 13A55

Hexadecimal: 6b21

Square: 752130625

Square Root: 165.60495161679194

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Expansion of (1/x) * Series_Reversion( x * (1/(1-x²) - x) ). A370839

Total cycle length of all iteration trajectories of all elements of random mappings from [n] to [n]. A262970

Position of first occurrence of n in A182535. A182561

Numbers k such that 83·2^k+1 is prime. A32391

Number of equivalence classes of length n squarefree reduced words over {0, 1, 2, 3} under action of renaming symbols. A343484

Number of distinct products ijk with 1 <= i,j,k <= n. A27425

G.f.: A(x) = exp( ∑_n>=1 A069865(n)/2·xⁿ/n ) where A069865(n) = ∑_k=0..n C(n,k)⁶. A218120