Properties of the Number 90495

Ninety Thousand Four Hundred Ninety-Five

Basics

Value: 90494 → 90495 → 90496

Parity: odd

Prime: No

Previous Prime: 90481

Next Prime: 90499

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 2011

Divisors: 1, 3, 5, 9, 15, 45, 2011, 6033, 10055, 18099

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: 10110000101111111

Octal: 260577

Duodecimal: 44453

Hexadecimal: 1617f

Square: 8189345025

Square Root: 300.823868733849

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

Numbers k such that k¹² == 1 (mod 13⁴). A56095

Numbers k such that the decimal digits of k*(k+1) are a permutation of those of k*(k-1). A181775

Numbers k such that numerator(Bernoulli(2·k)/(2·k)) is different from numerator(Bernoulli(2·k)/(2·k*(2·k-1))). A90495

Number of solutions to dft(a)² + dft(b)² + dft(c)² + dft(d)² = 4n, where a,b,c,d are even +1,-1 sequences of length n and dft(x) denotes the discrete Fourier transform of x. A321338