Properties of the Number -1469

Four Hundred Sixty-Nine

Basics

Value: -1470 → -1469 → -1468

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 113

Divisors: 1, 13, 113, 1469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110111101

Octal: -2675

Duodecimal: -A25

Hexadecimal: -5bd

Square: 2157961

Square Root: 38.3275357934736

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

G.f. satisfies: A(x) = 1/(1 + x·A(x⁶)) and also the continued fraction: 1+x·A(x⁷) = [1;1/x,1/x⁶,1/x³⁶,1/x²¹⁶,...,1/x^{6^(n-1}),...]. A101916

Coefficients in the expansion of 1/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = 7/5. A279779

Expansion of g.f. (1-x+x²)/(1+x-x³). A104771

Coefficient of xⁿ in 1/(n+1) * (1 + x - 3·x²)ⁿ⁺¹. A308036

a(n) = n! * ∑_{k=0..floor(n/4)} (-n/4)^k /(k! * (n-4·k)!). A362315

Shifts left when Moebius transformation applied twice. A7551

Octahedral numbers: a(n) = n*(2·n² + 1)/3. A5900

a(n) = (2·n - 1)*(8·n² - 8·n + 3)/3. A63496

Expansion of (1+x²)/((1-x)²*(1-x²)²). A5993

Numbers whose sum of digits is 20. A235229