Properties of the Number 25424

Twenty-Five Thousand Four Hundred Twenty-Four

Basics

Value: 25423 → 25424 → 25425

Parity: even

Prime: No

Previous Prime: 25423

Next Prime: 25439

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 7 × 227

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110001101010000

Octal: 61520

Duodecimal: 12868

Hexadecimal: 6350

Square: 646379776

Square Root: 159.449051423958

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

Square of lower triangular matrix of A056857 (successive equalities in set partitions of n). A78937

Fourth column of PE². A129325

Square array T(n,k) read by antidiagonals: coordination sequence for lattice D_n. A103903

Number of ways to write n as an ordered sum of 8 nonzero triangular numbers. A340953

Difference between the product of two consecutive primes and the next prime. A111071

G.f.: ∏_k>0 (1 - x^k)⁴ * (1 - (-x)^k)⁸. A225543

Expansion of e.g.f. 1/(1 - x/2 * (exp(2·x) - 1)). A354313

Coordination sequence for D₈ lattice. A8361

a(n), n>1, is the smallest number k whose symmetric representation of σ(k) has two parts and has a larger number of legs in its two parts than a(n-1); a(1)=3. A279105

Absolute value of Glaisher's α(n). A2290