Properties of the Number 24956

Twenty-Four Thousand Nine Hundred Fifty-Six

Basics

Value: 24955 → 24956 → 24957

Parity: even

Prime: No

Previous Prime: 24953

Next Prime: 24967

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 17 × 367

Divisors: 1, 2, 4, 17, 34, 68, 367, 734, 1468, 6239

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110000101111100

Octal: 60574

Duodecimal: 12538

Hexadecimal: 617c

Square: 622801936

Square Root: 157.97468151574162

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

Numbers n such that σ(n) is a Fibonacci number. A272412

Number of lines through exactly 4 points of an n X n grid of points. A18811

a(n) = n*(n-1)*(n³ + 21·n² - 4·n + 96)/120. A124161

Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7. A252189

a(n) = ∑_k=1..n sigma₂( n/gcd(k,n) ). A372226

Sum of a(n) terms of 1/k^5/6 first exceeds n. A56181

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (1, 0, -1), (1, 0, 0), (1, 1, 0)}. A150330

Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7. A252184

Numbers k such that 8·10^k - 67 is prime. A294380

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7. A252192