Properties of the Number 25485

Twenty-Five Thousand Four Hundred Eighty-Five

Basics

Value: 25484 → 25485 → 25486

Parity: odd

Prime: No

Previous Prime: 25471

Next Prime: 25523

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 1699

Divisors: 1, 3, 5, 15, 1699, 5097, 8495, 25485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001110001101

Octal: 61615

Duodecimal: 128B9

Hexadecimal: 638d

Square: 649485225

Square Root: 159.64022049596397

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/(1+5·x*c(x)), c(x) the g.f. of Catalan numbers A000108. A126987

a(n) = ∑_k=0..n (k+1) * 2^n-k * binomial(2·k,2*(n-k)). A390732

Expansion of 1/((1-x)*(1-2·x²)*(1-3·x³)*(1-4·x⁴)). A291987

Bosonic string states. A5308

Number of 4-element nondividing subsets of {1, 2, ..., n}. A187491

Number of base 23 circular n-digit numbers with adjacent digits differing by 6 or less. A125411

Number of ways to write n as an ordered sum of 10 nonprime numbers. A341504

Number of iterations of function f(k) = ceiling(sqrt(k))² - k on n required to force n <= 2. A25485