Properties of the Number -25246

Twenty-Five Thousand Two Hundred Forty-Six

Basics

Value: -25247 → -25246 → -25245

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 13 × 971

Divisors: 1, 2, 13, 26, 971, 1942, 12623, 25246

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -110001010011110

Octal: -61236

Duodecimal: -1273A

Hexadecimal: -629e

Square: 637360516

Square Root: 158.88989898668825

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 ∏_k>=1 (1 + k·x^k)^k. A266891

Expansion of ∑_k>=1 k³ * x^k/(1 - x^k)³. A366135

a(n) = A045820(n)/2. A45822

G.f. satisfies A(x) = 1 + ∑_n>=1 xⁿ * A(x)^prime(n). A193074

Trajectory of 3 under map n->27n+1 if n odd, n->n/2 if n even. A37111

a(1) = 1; a(n+1) = sum of terms in continued fraction for sum of continued fractions, [a(n); a(n-1), a(n-2),...,a(1)] and [0; a(n), a(n-1), a(n-2),...,a(1)]. A58083

Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 2 which is symmetric after a rotation by 180 degrees. A123763