Properties of the Number 22077

Twenty-Two Thousand Seventy-Seven

Basics

Value: 22076 → 22077 → 22078

Parity: odd

Prime: No

Previous Prime: 22073

Next Prime: 22079

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 223

Divisors: 1, 3, 9, 11, 33, 99, 223, 669, 2007, 2453

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011000111101

Octal: 53075

Duodecimal: 10939

Hexadecimal: 563d

Square: 487393929

Square Root: 148.5833099644775

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

T(n,k)=Number of nXk binary matrices with no 2X2 block having four 1's. A181253

Triangle read by rows: T(n,k) is the number of embeddings on the sphere of 2-connected planar graphs with n nodes and k faces, n >= 3, k=2..2·n-4. A342060

Numbers which are the sum of two positive cubes and divisible by 11. A101852

a(n) = 36·n² - 17·n + 2. A157265

Terms of A024670 that are not in A141805. A141806

Round(1000·x), where·is the solution to x = 5^n-x. A104744

Number of n X n binary matrices, symmetric under horizontal reflection, with no more than 3 ones in any 2 X 2 subblock. A141509

Number of n X 3 binary matrices with no 2 X 2 block having four 1's. A181246

Number of nX5 binary matrices with no 2X2 block having four 1's. A181248

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (-1, 1, 0), (0, 0, -1), (1, 0, 1)}. A149235