Properties of the Number -227529

Two Hundred Twenty-Seven Thousand Five Hundred Twenty-Nine

Basics

Value: -227530 → -227529 → -227528

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 53 ²

Divisors: 1, 3, 9, 27, 53, 81, 159, 477, 1431, 2809

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111100011001001

Octal: -674311

Duodecimal: -AB809

Hexadecimal: -378c9

Square: 51769445841

Square Root: 477

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) = (14·n+1)². A134934

Remainder when nⁿ is divided by n!. A63709

Squares of pentagonal numbers: a(n) = (1/4)*n²*(3·n-1)². A100255

E.g.f. satisfies: A(x) = 1/(cos(x·A(x)) - sin(x·A(x))). A201923

Powers k^m, m > 1, odd k that are neither squarefree nor squareful. A392423

Squares of odd pentagonal numbers. A14769

Odd squares not in A113659. A103962

Squares that become a prime number when prefixed with a 5. A167720

Number of (n+2)X2 0..1 arrays with all rows having a nonnegative second derivative, and all and columns having a positive second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative. A223646