Properties of the Number -23250

Twenty-Three Thousand Two Hundred Fifty

Basics

Value: -23251 → -23250 → -23249

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ³ × 31

Divisors: 1, 2, 3, 5, 6, 10, 15, 25, 30, 31

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -101101011010010

Octal: -55322

Duodecimal: -11556

Hexadecimal: -5ad2

Square: 540562500

Square Root: 152.47950681976906

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

Smallest m such that A132575(m) = n. A132576

Constant term in the reduction of the polynomial 1+x+x²+...+xⁿ by x³->x²+x+1. See Comments. A192804

Numbers k such that k - A067666(k) is a square. A386304

Expansion of (1-x)^-1/(1 + x - x² + x³). A77902

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-2,1,2}. A79983

a(n) = (n+6)*(n+1)*(n² + 7·n + 16)/4. A168538

a(1) = least k such that 1/3 < H(k) - 1/3; a(2) = least k such that H(a(1)) - H(3) < H(k) - H(a(1)), and for n > 2, a(n) = least k such that H(a(n-1)) - H(a(n-2)) > H(k) - H(a(n-1)), where H = harmonic number. A225605

Numbers k such that 477·2^k+1 is prime. A319487

Numbers k such that k and uphi(k) have the same set of prime divisors, where uphi is the unitary totient function (A047994). A329859

a(n) = (n²+n+1)*(n²+n)*n². A356768