Properties of the Number 89918

Eighty-Nine Thousand Nine Hundred Eighteen

Basics

Value: 89917 → 89918 → 89919

Parity: even

Prime: No

Previous Prime: 89917

Next Prime: 89923

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 44959

Divisors: 1, 2, 44959, 89918

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111100111110

Octal: 257476

Duodecimal: 44052

Hexadecimal: 15f3e

Square: 8085246724

Square Root: 299.86330218951434

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 e.g.f. exp(2*(exp(x) - 1)). A1861

Square of lower triangular matrix of A056857 (successive equalities in set partitions of n). A78937

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals upwards, where the e.g.f. of column k is exp(k*(e^x-1)). A189233

Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of e.g.f. exp(k*(exp(x) - 1)). A292860

Triangle read by rows. T(n, k) = BellPolynomial(n, k). A350256

Triangular array read by rows: for n, k >= 1, a(n+1, 1) = 2·a(n, n); a(n+1, k+1) = a(n, k)+a(n+1, k). A129340

Eigentriangle generated from A109128, row sums = expansion of {2(exp(x)-1)}. A144061

Number of nonnegative integer arrays of length n summing to n without equal adjacent values modulo 5. A221318

Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. exp(2 * (exp(x) - ∑_j=0..k x^j/j!)). A336345

Incorrect version of A001861. A191643