Properties of the Number 19494

Nineteen Thousand Four Hundred Ninety-Four

Basics

Value: 19493 → 19494 → 19495

Parity: even

Prime: No

Previous Prime: 19489

Next Prime: 19501

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 19 ²

Divisors: 1, 2, 3, 6, 9, 18, 19, 27, 38, 54

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110000100110

Octal: 46046

Duodecimal: B346

Hexadecimal: 4c26

Square: 380016036

Square Root: 139.62091533864114

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

Expansion of ∏_k>=1 (1 - x^k)¹². A735

Numbers that have exactly six prime factors counted with multiplicity (A046306) whose digit reversal is different and also has 6 prime factors (with multiplicity). A109026

Least positive integer m with prime(m)+2 and prime(prime(m))+2 both prime such that prime(m·n)+2 and prime(prime(m·n))+2 are both prime. A259487

Positions of 3's in A234323. A234804

Number of rods required to make a 3-D cube of side length n. A59986

Expansion of f(x)¹² in powers of·where f() is a Ramanujan θ function. A209676

Binomial transform of A001156. A294529

Number of (w,x,y) with all terms in {0,...,n} and 2·max(w,x,y) > 3·min(w,x,y). A213393

Positive numbers k such that -k, -(k + 1), and -(k + 2) are 3 consecutive negative negaFibonacci-Niven numbers (A331088). A331090

2·a(n) is the start of 3 consecutive numbers (even-odd-even) that are sums of divisors, i.e., terms of A000203. A342555