Properties of the Number 29180

Twenty-Nine Thousand One Hundred Eighty

Basics

Value: 29179 → 29180 → 29181

Parity: even

Prime: No

Previous Prime: 29179

Next Prime: 29191

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 1459

Divisors: 1, 2, 4, 5, 10, 20, 1459, 2918, 5836, 7295

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000111111100

Octal: 70774

Duodecimal: 14A78

Hexadecimal: 71fc

Square: 851472400

Square Root: 170.8215443086732

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

Numbers k such that there is 1 prime between 100·k and 100·k + 99. A186393

T(n,k)=Number of nXk 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one. A200579

A lower diagonal of pendular trinomial triangle A119369. A119374

Number T(n,k) of tilings of a 2 X n X n box using k bricks of shape 2 X 1 X 1 and 2*(n²-k) bricks of shape 1 X 1 X 1; triangle T(n,k), n>=0, 0<=k<=n², read by rows. A287152

Number of n X 2 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one. A200573

Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and column sum not 1 3 6 or 8 and every diagonal and antidiagonal sum 1 3 6 or 8. A252049

Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum not 1 3 6 or 8 and every diagonal and antidiagonal sum 1 3 6 or 8. A252051

Number of nX6 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one. A200577

Numbers k such that 7·10^k - 69 is prime. A281643

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not 1 3 6 or 8 and every diagonal and antidiagonal sum 1 3 6 or 8. A252053