Properties of the Number -122468

One Hundred Twenty-Two Thousand Four Hundred Sixty-Eight

Basics

Value: -122469 → -122468 → -122467

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 17 × 1801

Divisors: 1, 2, 4, 17, 34, 68, 1801, 3602, 7204, 30617

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11101111001100100

Octal: -357144

Duodecimal: -5AA58

Hexadecimal: -1de64

Square: 14998411024

Square Root: 349.954282728473

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 nXk 0..1 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. A202979

a(n) = ∑_k=0..n (k+1) * ∑_j=0..n 2^j*binomial(n,j)*binomial(n-k,j). A35029

a(n) = 10000·n + 2468. A102689

Number of nX4 0..1 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. A202975

Number of n X 7 0..1 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. A202978

Duplicate of A035029. A49607

Triangle read by rows, T(n, k) = (-1)^n-k*binomial(n,k)*hypergeom([k - n, n + 1], k + 1, 2), for n >= 0 and 0 <= k <= n. A297898