Properties of the Number -145043

One Hundred Forty-Five Thousand Forty-Three

Basics

Value: -145044 → -145043 → -145042

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 145043

Divisors: 1, 145043

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011011010010011

Octal: -433223

Duodecimal: -6BB2B

Hexadecimal: -23693

Square: 21037471849

Square Root: 380.84511287398715

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) = ∑_{k=floor(n/4)..R} C(k, m·k - (-1)ⁿ*(R - k)) * C(k + 1, m*(k + 2) - (-1)ⁿ*(R - k + 1)) where m = (n + 1) mod 2 and R = (n + m - 3)/2 for n > 0 and a(0) = 1. A202411

a(n) = ∑_k=0..n binomial(k-1,2·k-1-n)*binomial(k,2·k-n), with a(0) = 1. A203611

Column 3 of triangle A130580. A130583

Primes which are sums of two or more distinct 4th powers of primes. A193411