Properties of the Number 80108

Eighty Thousand One Hundred Eight

Basics

Value: 80107 → 80108 → 80109

Parity: even

Prime: No

Previous Prime: 80107

Next Prime: 80111

Digit Sum: 17

Digital Root: 8

Palindrome: Yes

Factorization: 2 ² × 7 × 2861

Divisors: 1, 2, 4, 7, 14, 28, 2861, 5722, 11444, 20027

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011100011101100

Octal: 234354

Duodecimal: 3A438

Hexadecimal: 138ec

Square: 6417291664

Square Root: 283.033566913891

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 with mirror symmetry about middle. A6072

Palindromes n with the property that for some prime p, n = p + prime(p). A155214

Let p = n-th irregular prime, A000928(n). Then a(n) = smallest value of m such that numerator(Bernoulli(2·m)/(2·m)) / numerator(Bernoulli(2·m)/(2·m*(2·m-1))) equals p. A92291

Base 10 palindromes that start with 8. A43043

Palindromic admirable numbers. A109759

Number of partitions p of n such that 5·min(p) is a part of p. A361459

a(n) = ∑_k=1..n k^n-k*binomial(n-1,k-1). A80108

Square array, read by antidiagonals, where rows are successive self-convolutions of the top row, which equals A003169 shifted one place right. A100324