Properties of the Number 22100

Twenty-Two Thousand One Hundred

Basics

Value: 22099 → 22100 → 22101

Parity: even

Prime: No

Previous Prime: 22093

Next Prime: 22109

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 ² × 13 × 17

Divisors: 1, 2, 4, 5, 10, 13, 17, 20, 25, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

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Representations

Binary: 101011001010100

Octal: 53124

Duodecimal: 10958

Hexadecimal: 5654

Square: 488410000

Square Root: 148.66068747318505

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

Sum of the first n even squares: a(n) = 2·n*(n+1)*(2·n+1)/3. A2492

Numbers m that are the hypotenuse of exactly 22 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 22 ways. A97103

a(n) = n*(2·n+5)*(n-1)/6. A51925

Row sums of A168281. A168380

a(n) = n·sigma₂(n). A328259

Binomial coefficients C(n,49). A17713

Numbers that are multiple-digit narcissistic numbers in exactly three bases. A256362

a(n) = (n+1)*(n+2)*(n+3)*(9n+4)/24. A51798

Numbers of rank 11 in the poset of lunar numbers. A191753

Ternary numbers that are concatenated runs C(1)A(1)B(1)C(2)A(2)B(2)...C(k)A(k)B(k), where A(i) is a run of 1's, B(i) a run of 0's, and C(i) a run of 2's, for i = 1..k. A371111