Properties of the Number 27504

Twenty-Seven Thousand Five Hundred Four

Basics

Value: 27503 → 27504 → 27505

Parity: even

Prime: No

Previous Prime: 27487

Next Prime: 27509

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 191

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110101101110000

Octal: 65560

Duodecimal: 13B00

Hexadecimal: 6b70

Square: 756470016

Square Root: 165.84329953302304

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

Number of 2 X 2 non-singular integer matrices with entries from {0,...,n}. A62801

Numbers that have exactly seven prime factors counted with multiplicity (A046308) whose digit reversal is different and also has 7 prime factors (with multiplicity). A109027

Triangle read by rows: T(n,k) is the number of free polyominoes with n cells and length k, n >= 1, k = 1..n. A379624

Numbers k which have a factorization k = f1·f2*...*fr where the digits of {k, f1, f2, ..., fr} together give 0,1,...,9 exactly once. A370970

Numbers k such that sopfr(k + sopfr(k)) = sopfr(k) + sopfr(sopfr(k)), where sopfr = A001414. A376851

Numbers k which use half of the ten digits such that they have at least one factorization k=p·q that uses remaining half of the digits that are not in k. A195814

Numbers n = p·q, where n, p, and q together contain all 10 digits at least once. A253172

G.f.: x*(1-x²)*(x⁴+x³-x²+x+1) / (x⁸-4·x⁶-x⁴-4·x²+1). A5822

The n-th derivative of log(1+x)*tanh(x) evaluated at x = 0. A177700

Numbers k such that φ(φ(k)) = σ(rad(k)). A173748