Properties of the Number 29221

Twenty-Nine Thousand Two Hundred Twenty-One

Basics

Value: 29220 → 29221 → 29222

Parity: odd

Prime: Yes

Previous Prime: 29209

Next Prime: 29231

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 29221

Divisors: 1, 29221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111001000100101

Octal: 71045

Duodecimal: 14AB1

Hexadecimal: 7225

Square: 853866841

Square Root: 170.94151046483705

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 length n+1 0..k arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250419

Primes in A126554. A126555

Primes of the form k² + prime(k). A184935

Primes of the form floor(binomial(k,2)/4). A171574

Primes p such that both 2p-1 and 2p²-2p+1 are prime. A274609

Smallest number k with A355915(k) = n. A356792

Numbers k such that the continued fraction for sqrt(k) has period 91. A20430

Number of length n+1 0..3 arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250414

Number of length 7+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250424

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, 1, 0), (0, 1, -1), (1, -1, 1), (1, 1, 1)}. A149735