Properties of the Number -247247

Two Hundred Forty-Seven Thousand Two Hundred Forty-Seven

Basics

Value: -247248 → -247247 → -247246

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 11 × 13 ² × 19

Divisors: 1, 7, 11, 13, 19, 77, 91, 133, 143, 169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100010111001111

Octal: -742717

Duodecimal: -BB0BB

Hexadecimal: -3c5cf

Square: 61131079009

Square Root: 497.23937897153723

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

Triangle where g.f. S = S(x,m) satisfies: S = x/(G(-S²)*G(-m·S²)) such that G(x) = 1 + x·G(x)² is the g.f. of the Catalan numbers (A000108), as read by rows of coefficients T(n,k) of x^2·n-1*m^k in S(x,m) for n>=1, k=0..n-1. A278880

Numbers whose set of base 12 digits is {0,B}, where B base 12 = 11 base 10. A97258