Properties of the Number 22669

Twenty-Two Thousand Six Hundred Sixty-Nine

Basics

Value: 22668 → 22669 → 22670

Parity: odd

Prime: Yes

Previous Prime: 22651

Next Prime: 22679

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 22669

Divisors: 1, 22669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100010001101

Octal: 54215

Duodecimal: 11151

Hexadecimal: 588d

Square: 513883561

Square Root: 150.56227947264878

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

Primes that cannot become a different prime under any mapping of some single decimal digit <=> with some other single decimal digit. A180561

Primes that are palindromic in base 2 (but written here in base 10). A16041

Expansion of 2·x²/(1 - 2·x - 2·x² + sqrt(1 - 4·x - 4·x²)). A52705

Primes having only {2, 6, 9} as digits. A385788

Triangle T(n,k) (n>=0, 0 <= k <= n) read by rows giving number of underdiagonal lattice paths from (0,0) to (n,k) using only steps R=(1,0), V=(0,1) and D=(1,2). A71943

Number of true prime powers whose binary order, ceiling(log₂(p^x)), is n. A36380

a(n) = a(n-1) + a(n-2) - floor( a(n-1)/2 ). A173510

Primes p such that 2·p+1 is divisible by the sum of digits of p+1. A267542

Primes in A338529/2. A338533

Triangle of numbers relating two simple context-free grammars (A052709 and A052705). A73152