Properties of the Number 98890

Ninety-Eight Thousand Eight Hundred Ninety

Basics

Value: 98889 → 98890 → 98891

Parity: even

Prime: No

Previous Prime: 98887

Next Prime: 98893

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 11 × 29 × 31

Divisors: 1, 2, 5, 10, 11, 22, 29, 31, 55, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000001001001010

Octal: 301112

Duodecimal: 4928A

Hexadecimal: 1824a

Square: 9779232100

Square Root: 314.46780439339096

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

4-dimensional pyramidal numbers: a(n) = (3·n+1)*binomial(n+2, 3)/4. Also Stirling2(n+2, n). A1296

Number of binary strings of length n with no substrings equal to 0010 1001 or 1100. A164501

Number of 0..n arrays x(0..3) of 4 elements with each no smaller than the sum of its two previous neighbors modulo (n+1). A207101

Triangle read by rows: T(n,k) = ∑_i=n-k..n C(k-1,n-i)*C(i,n-k)*C(2·i,i)/(i+1). A256640

Numbers k such that 3·R_k + 50 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256800

a(n) = A001652(n)*A046090(n)+1 = A098602(n)+1. A98890

Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically. A207686