Properties of the Number -215296

Two Hundred Fifteen Thousand Two Hundred Ninety-Six

Basics

Value: -215297 → -215296 → -215295

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁸ × 29 ²

Divisors: 1, 2, 4, 8, 16, 29, 32, 58, 64, 116

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110100100100000000

Octal: -644400

Duodecimal: -A4714

Hexadecimal: -34900

Square: 46352367616

Square Root: 464

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 (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,0 0,2 1,0 or -1,-2. A264364

Smallest number k such that n! + k is a square. A68869

On a 3 X 3 board, the number of n-move paths for a chess king ending in a given corner square. A86346

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero. A230977

Numbers of the form p⁸*q² where p and q are distinct primes. A179699

Expansion of ∏_k>=1 (1-x^k)³². A10837

Numbers k such that A094471(k) is prime. A96847

The distance between n! and the nearest perfect square. A260374

a(n) is the least k such that φ(k) + d(k) = A357916(n), where φ(k) = A000010(k) is Euler's totient function, and d(k) = A000005(k) is the number of divisors of k. A357917

a(n) = (12·n + 8)². A17618