Properties of the Number 19298

Nineteen Thousand Two Hundred Ninety-Eight

Basics

Value: 19297 → 19298 → 19299

Parity: even

Prime: No

Previous Prime: 19289

Next Prime: 19301

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 9649

Divisors: 1, 2, 9649, 19298

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101101100010

Octal: 45542

Duodecimal: B202

Hexadecimal: 4b62

Square: 372412804

Square Root: 138.91724155050014

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

Beach-Williams Pell numbers of type 2p (p prime). A212074

Irregular table read by rows, T(n, k) is the rank of the k-th Seidel permutation of {1,...,n}, permutations sorted in lexicographical order. A347600

Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|+|x-y+|y-z|=n. A212904

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 11. A31599

Numbers n such that n⁹+9 and n⁹-9 are prime. A239505

Floor of area of triangle whose sides are consecutive Ulam numbers (A002858). A330909

Indices k where k/A109812(k) reaches a new high point. A352919

Number of balls in pyramid with base either a regular hexagon or a hexagon with alternate sides differing by 1 (balls in hexagonal pyramid of height n taken from hexagonal close-packing). A19298

Values of A109812(k) where k/A109812(k) reaches a new high point. A352920