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Properties of the Number 22989

Twenty-Two Thousand Nine Hundred Eighty-Nine

Basics

Value: 22988 → 22989 → 22990

Parity: odd

Prime: No

Previous Prime: 22973

Next Prime: 22993

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 79 × 97

Divisors: 1, 3, 79, 97, 237, 291, 7663, 22989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101100111001101

Octal: 54715

Duodecimal: 11379

Hexadecimal: 59cd

Square: 528494121

Square Root: 151.6212386178137

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)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 nXk array. A220386
Row 5 of A277710: Positions of 5's in A264977; positions of 10's in A277330. A277715
Indices of centered square numbers (A001844) which are also pentagonal numbers (A000326). A254710
a(0) = 1, a(n+1) = a(n) + next prime larger than a(n). A74839
Row sums of A129396. A129397
Number of binary strings of length n with no substrings equal to 0000 0010 or 1001. A164421
Majority value maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 n X 3 array. A220381
Isolated deficient numbers that are divisible by 3. A273255
Majority value maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 6Xn array. A220391
G.f. A(x) satisfies A(x)2 = 1 + x + x·A(x)9. A295538