Properties of the Number -7230

Two Hundred Thirty

Basics

Value: -7231 → -7230 → -7229

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 241

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 241, 482

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110000111110

Octal: -16076

Duodecimal: -4226

Hexadecimal: -1c3e

Square: 52272900

Square Root: 85.02940667792525

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

a(n) = n*(8·n+1). A139275

a(n) = n² + (n+1)² + (n+2)² + (n+3)². A27575

Sums of five consecutive squares: a(n) = n² + (n+1)² + (n+2)² + (n+3)² + (n+4)². A27578

Both sum of n+1 consecutive squares and sum of the immediately following n consecutive squares. A59255

Numbers that are the sum of one or more consecutive squares in more than one way. A130052

Numbers that are sums of 2 or more consecutive squares in more than 1 way. A62681

Number of condensed integer partitions of n into parts > 1. A370805

a(n) = ∑_{i+j=n, i,j >= 1} τ(i)*σ(j), where τ() = A000005(), σ() = A000203(). A191831

Squarefree n such that the elliptic curve n·y² = x³ - x arising in the "congruent number" problem has rank 3. A62693

Numbers n for which n' + n and n' - n are both prime, n' being the arithmetic derivative of n. A229272