Properties of the Number 25106

Twenty-Five Thousand One Hundred Six

Basics

Value: 25105 → 25106 → 25107

Parity: even

Prime: No

Previous Prime: 25097

Next Prime: 25111

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 12553

Divisors: 1, 2, 12553, 25106

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001000010010

Octal: 61022

Duodecimal: 12642

Hexadecimal: 6212

Square: 630311236

Square Root: 158.44872987815333

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 nXk 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318068

Number of nX3 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318063

Number of nX6 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318066

Number of permutations of length n which avoid the patterns 2341, 4123, 4132. A116780

Number of ballot sequences of length n with exactly 6 fixed points. A239117

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = (odd natural numbers). A25106