Properties of the Number 88180

Eighty-Eight Thousand One Hundred Eighty

Basics

Value: 88179 → 88180 → 88181

Parity: even

Prime: No

Previous Prime: 88177

Next Prime: 88211

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 4409

Divisors: 1, 2, 4, 5, 10, 20, 4409, 8818, 17636, 22045

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101100001110100

Octal: 254164

Duodecimal: 43044

Hexadecimal: 15874

Square: 7775712400

Square Root: 296.95117443781896

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 0..n-1 integer arrays v[1..5] of length 5 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..4. A171356

Number of 0..9 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1. A171315

a(n) is the number of numbers m < 10ⁿ for which there is at least one k such that k + reverse(k) = m. A88180