Properties of the Number -270400

Two Hundred Seventy Thousand Four Hundred

Basics

Value: -270401 → -270400 → -270399

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁶ × 5 ² × 13 ²

Divisors: 1, 2, 4, 5, 8, 10, 13, 16, 20, 25

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1000010000001000000

Octal: -1020100

Duodecimal: -110594

Hexadecimal: -42040

Square: 73116160000

Square Root: 520

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

Squares equal to the difference between two successive primes of the form n²+1. A216330

a(n) = [xⁿ] ∏_k>=1 (1 + 2ⁿ*x^k). A292414

Triangle, read by rows, where T(n,k) = A049020([n/2],k)*A049020([(n+1)/2],k). A124526

Numbers with prime factorization p²*q²*r⁶ where p, q, and r are distinct primes. A190469

Number of (w,x,y,z) with all terms in {1,...,n} and w<=2x and y<=2z. A212506

Triangle read by rows: T(n, k) = 2^k * hypergeom([-n, -k], [], 1/2). A375854

a(n) = P(n)³ - P(n)² where P(n) = A000931(n). A133039

Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically. A207602

Number of (n+1)X(7+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal. A232514

Number of (4+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal. A232519