Properties of the Number 22504

Twenty-Two Thousand Five Hundred Four

Basics

Value: 22503 → 22504 → 22505

Parity: even

Prime: No

Previous Prime: 22501

Next Prime: 22511

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 29 × 97

Divisors: 1, 2, 4, 8, 29, 58, 97, 116, 194, 232

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011111101000

Octal: 53750

Duodecimal: 11034

Hexadecimal: 57e8

Square: 506430016

Square Root: 150.0133327407934

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 labeled simple connected graphs with n vertices whose bridges are all leaves, meaning at least one end of any bridge is an endpoint of the graph. A322395

Sum of the squarefree parts of the partitions of n into 4 parts. A309479

a(n) = ∑_{k = 0..n} ( binomial(n+k-1,k) + binomial(n+k-1,k)² ). A357671

a(1) = 1; a(n > 1) = ∑_{0 < k < n} (-1)^{n - k - 1} a(n - k) ∑_d∣k a(d). A317853

Expansion of ∑_k>=0 k·x^k/(1 + k² * x). A349859

Super-4 Numbers (4·n⁴ contains substring '4444' in its decimal expansion). A32744

Integers m of the form m = 3·p + 5·q = 5·r + 7·s where {p,q} and {r,s} are pairs of consecutive primes. A283392

Numbers m such that σ(m)*τ(m) is a square but σ(m)/τ(m) is not an integer. A327831

a(n) = 1·t(n) + 2·t(n-1) + ...+ k·t(n+1-k), where k=floor((n+1)/2) and t is A001950 (upper Wythoff sequence). A23867

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 75. A31753