Properties of the Number 19216

Nineteen Thousand Two Hundred Sixteen

Basics

Value: 19215 → 19216 → 19217

Parity: even

Prime: No

Previous Prime: 19213

Next Prime: 19219

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 1201

Divisors: 1, 2, 4, 8, 16, 1201, 2402, 4804, 9608, 19216

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101100010000

Octal: 45420

Duodecimal: B154

Hexadecimal: 4b10

Square: 369254656

Square Root: 138.62178760930766

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

Numbers k such that k² is palindromic in base 7. A29992

Modulo 2 binomial transform of 7ⁿ. A100310

Expansion of e.g.f. exp( Integral -log(1-x) dx ). A203852

Gaps of 8 in sequence A038593 (upper terms). A38656

Expansion of ∏_k>=0 1/(1 + 2·x^{2^k}). A308986

Sums of 4 distinct powers of 7. A38483

Numerators of coefficients of polynomials arising from applying the complete Bell polynomials to k!B_k(x)/(k*(k-1)) with B_k(x) the Bernoulli polynomials. A276996

Number of integers in base n having exactly four distinct digits such that the number formed by the consecutive subsequence of the initial j digits is divisible by j for all j in {1,2,3,4}. A333469

a(n) = 5·n + 3ⁿ - 2ⁿ. A120849

Sequence arising from the factorization of F(n)= A083099(n) and L(n)= A127226(n). A127607