Properties of the Number 25950

Twenty-Five Thousand Nine Hundred Fifty

Basics

Value: 25949 → 25950 → 25951

Parity: even

Prime: No

Previous Prime: 25943

Next Prime: 25951

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ² × 173

Divisors: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110010101011110

Octal: 62536

Duodecimal: 13026

Hexadecimal: 655e

Square: 673402500

Square Root: 161.09003693587013

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock. A236601

a(n) = n*(n + 1)*(n² + 17·n + 54)/24. A387204

Number of (n+1)X(1+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock. A236597

Number of (n+1)X(3+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock. A236599

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 238", based on the 5-celled von Neumann neighborhood. A270986

Number of 1-supertough but non-1-Hamiltonian simplicial polyhedra with n nodes. A7036

G.f.: Sum((1-x)^2·l*Sum(x^(2·l-1*k)/(1-2·x+x^k)^2·l,k=1..infinity),l=1..infinity). A105205

Expansion of 1/((1-2x)(1-3x)(1-8x)(1-11x)). A25950

E.g.f. A(x) satisfies: 1 + 4·x = exp(-1) * ∑_n>=0 A(x)^n² / n!. A350436