Properties of the Number 18802

Eighteen Thousand Eight Hundred Two

Basics

Value: 18801 → 18802 → 18803

Parity: even

Prime: No

Previous Prime: 18797

Next Prime: 18803

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 17 × 79

Divisors: 1, 2, 7, 14, 17, 34, 79, 119, 158, 238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100100101110010

Octal: 44562

Duodecimal: AA6A

Hexadecimal: 4972

Square: 353515204

Square Root: 137.1203850636367

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

Expansion of (ψ(x) * φ(-x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A215472

Expansion of (ψ(-x) * φ(x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A209942

Number of (w,x,y,z) with all terms in {1,...,n} and |x-y| = w + |y-z|. A212683

Numbers k such that if x = σ(k) + τ(k) - k then k = σ(x) + τ(x) - x. A238226

Consecutive states of the linear congruential pseudo-random number generator 170·s mod 30323 when started at s=1. A385033

Number of nonnegative integer 5 X 5 matrices with sum of elements equal to n, under row and column permutations. A52367

Number of partitions of n with even crank. A124227

Indices of primes of the form 2^t*3^u + 1 in the primes. A174099

1/16 the number of (n+1) X (n+1) 0..3 arrays with all 2 X 2 subblocks having the same four values. A184030

Greater members of dihedral amicable pairs: numbers (m, k) such that t(m) = t(k) = m + k, where t(k) = σ(k) + d(k). A322254