Properties of the Number 22495

Twenty-Two Thousand Four Hundred Ninety-Five

Basics

Value: 22494 → 22495 → 22496

Parity: odd

Prime: No

Previous Prime: 22483

Next Prime: 22501

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 × 409

Divisors: 1, 5, 11, 55, 409, 2045, 4499, 22495

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011111011111

Octal: 53737

Duodecimal: 11027

Hexadecimal: 57df

Square: 506025025

Square Root: 149.98333240730452

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

Number of ordered triples (a, b, c) with gcd(a, b, c) = 1 and 1 <= {a, b, c} <= n. A71778

Number of partitions of n such that if k is the largest part, then k-2 occurs as a part. A119907

a(n) = (1/6) * 2^-n * n! * [xⁿ] Exp(2·x, 1)*(Exp(2·x, 3) - 1), where Exp(x, m) = ∑_k>=0 (x^k / k!)^m. A344559

a(n) = 25·n² - 5. A158446

Strong pseudoprimes to base 54. A20280

Odd numbers n such that the sum of the binary digits of n and n² both equal 12. A261593

Numbers k such that k!6 + 24 is prime, where k!6 is the sextuple factorial number (A085158 ). A288446

Number of square plane partitions of n with distinct row sums and distinct column sums. A306320

s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A000201 (lower Wythoff sequence), t = A001950 (upper Wythoff sequence). A24686

Numbers whose base-4 representation contains exactly four 1's and four 3's. A45133