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Properties of the Number -521284

Five Hundred Twenty-One Thousand Two Hundred Eighty-Four

Basics

Value: -521285 → -521284 → -521283

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 2 × 19 4

Divisors: 1, 2, 4, 19, 38, 76, 361, 722, 1444, 6859

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1111111010001000100

Octal: -1772104

Duodecimal: -211804

Hexadecimal: -7f444

Square: 271737008656

Square Root: 722

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

Solutions to mod(σ(x), 6) = 5. A74384
a(n) = 4·n4. A141046
Numbers k such that A071187(k) <> A329614(k). A329613
Squares appearing in A062064: a(n) = A062064(n) + A062064(n+1). A134537
a(n) = ceiling(n4/4). A131478
Numerators of the sequence whose Dirichlet convolution with itself yields fourth powers (A000583). A383791
Number of (n+2) X (6+2) 0..1 arrays with no 3·3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum. A258892
Number of walks within N3 (the first octant of Z3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (1, 0, 0), (1, 0, 1), (1, 1, -1)}. A150408