Properties of the Number 29124

Twenty-Nine Thousand One Hundred Twenty-Four

Basics

Value: 29123 → 29124 → 29125

Parity: even

Prime: No

Previous Prime: 29123

Next Prime: 29129

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 809

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111000111000100

Octal: 70704

Duodecimal: 14A30

Hexadecimal: 71c4

Square: 848207376

Square Root: 170.6575518399347

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

a(n) = 4·a(n-1) + n with n > 1, a(1)=1. A14825

T(n,k) = Number of n X k 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303182

Numbers k such that there are exactly four biquadratefree powerful numbers (A338325) between k² and (k+1)². A338391

Alternating sum transform (PSumSIGN) of A000975. A34299

Row sums of A163357 and A163359. A163365

Triangle T(n, k) read by rows: T(n, k)= (m·n-m·k+1)*T(n-1, k-1) + k*(m·k-(m-1))*T(n-1, k) where m = 1. A166960

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A115216; by antidiagonals. A202868

Expansion of 1/((1-2·x)*(1-x²)²). A91919

Number of arrangements of 4 nonzero numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero. A188250

Number of 7Xn arrays with each row a permutation of 1..n having at least as many downsteps as the preceding row. A221629