Properties of the Number 57342

Fifty-Seven Thousand Three Hundred Forty-Two

Basics

Value: 57341 → 57342 → 57343

Parity: even

Prime: No

Previous Prime: 57331

Next Prime: 57347

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 19 × 503

Divisors: 1, 2, 3, 6, 19, 38, 57, 114, 503, 1006

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111111111110

Octal: 157776

Duodecimal: 29226

Hexadecimal: dffe

Square: 3288104964

Square Root: 239.46189676021527

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

a(n) = ∑_k=0..n A026615(n, k). A26622

Number of subsets A of {0,1,...,n-1} with |A+A| < |A-A|. A222808

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295949

a(n) = 7·2ⁿ - 2. A176448

Index of first occurrence of -n in A000319, or -1 if -n never appears there. A381231

Numbers·such that σ(x) = σ(y), with x<>y, where y is the 10's complement mod 10 of the digits of x. A300447

Multiples of 3018. A86746

a(0)=1, a(1)=2, a(2)=1; for n>2, a(n) = 7·2^n-3-2. A174317

Largest of the most frequently occurring numbers in 1-to-n 4-dimensional multiplication table. A57342