Properties of the Number 26998

Twenty-Six Thousand Nine Hundred Ninety-Eight

Basics

Value: 26997 → 26998 → 26999

Parity: even

Prime: No

Previous Prime: 26993

Next Prime: 27011

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 13499

Divisors: 1, 2, 13499, 26998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100101110110

Octal: 64566

Duodecimal: 1375A

Hexadecimal: 6976

Square: 728892004

Square Root: 164.31068133265103

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

n-th positive integer whose digits sum up to n. A81927

n-th zerofree positive number with digital sum n. A181178

Numbers n such that 1 + Sum{k=1..n/2} A001223(2k-1)*(-1)^k = 0. A130642

Numbers n such that 1 - S(n) = 0, where S(n) = (S(n-1) + A000040(n))*(-1)ⁿ; S(0)=0, n=>1. A131197

Expansion of (1-x)/(1-3x-4x²+4x³). A52965

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 0), (-1, 0, 1), (1, 0, 0), (1, 1, 0)}. A150665

Triangular array T read by rows: T(n, k) = t(n, 2k), t given by A027960, 0 <= k <= n, n >= 0. A26998

Number of (n+1) X (3+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A234916

Number of (n+1)X(2+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock. A236059