Properties of the Number 90179

Ninety Thousand One Hundred Seventy-Nine

Basics

Value: 90178 → 90179 → 90180

Parity: odd

Prime: No

Previous Prime: 90173

Next Prime: 90187

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 31 × 2909

Divisors: 1, 31, 2909, 90179

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000001000011

Octal: 260103

Duodecimal: 4422B

Hexadecimal: 16043

Square: 8132252041

Square Root: 300.29818514270113

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

Number of dispersed Dyck paths of length n (i.e., of Motzkin paths of length n with no (1,0)-steps at positive heights) having no base pyramids. A base pyramid is a factor of the form U^j D^j (j>0), starting at the horizontal axis. Here U=(1,1) and D=(1,-1). A191393

a(n) is the constant term in expansion of ∏_k=1..n (x^k⁴ + 1 + 1/x^k⁴). A369358

Numbers k such that the decimal part of k^1/10 starts with a 'nine digits' anagram. A34285

Ratio of numerator(Bernoulli(2·n)/(2·n)) to numerator(Bernoulli(2·n)/(2·n*(2·n+1))) for n's for which they are different. A90179

Number of (n+3) X 7 binary arrays with consecutive windows of four bits considered as a binary number nondecreasing in every row and column. A202935