Properties of the Number 29780

Twenty-Nine Thousand Seven Hundred Eighty

Basics

Value: 29779 → 29780 → 29781

Parity: even

Prime: No

Previous Prime: 29761

Next Prime: 29789

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 1489

Divisors: 1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111010001010100

Octal: 72124

Duodecimal: 15298

Hexadecimal: 7454

Square: 886848400

Square Root: 172.5688268488837

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

Number of n-step two-sided prudent self-avoiding walks ending at the northeast corner of their box. A191625

Number of (n+1) X (4+1) 0..1 arrays with every 2 X 2 subblock diagonal minimum minus antidiagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal maximum nondecreasing vertically. A253227

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock diagonal minimum minus antidiagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal maximum nondecreasing vertically. A253231

Numbers k such that every digit that appears in k also appears at least once in both k² and k³. A29780

Number of nX6 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,4,2,0,1 for x=0,1,2,3,4. A196861