Properties of the Number 64051

Sixty-Four Thousand Fifty-One

Basics

Value: 64050 → 64051 → 64052

Parity: odd

Prime: No

Previous Prime: 64037

Next Prime: 64063

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 13 ² × 379

Divisors: 1, 13, 169, 379, 4927, 64051

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101000110011

Octal: 175063

Duodecimal: 31097

Hexadecimal: fa33

Square: 4102530601

Square Root: 253.0829903411132

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 2·A000217(k) + 1 is triangular. A216134

Sequences A006452 and A216134 interlaced. A216162

Expansion of (1+x+x²)/((1-x²)*(1-2·x-x²)); a Pellian-related sequence. A114697

Indices of triangular numbers (A000217) that are also decagonal (A001107). A133218

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 91 ones. A31859

Expansion of the exponential series exp( x·T(x) ) = exp( x / sqrt(1 - 2·x - 3·x²) ), where T(x) is the ordinary generating series of the central trinomial coefficients (A002426). A80896

a(n) is the number of regions into which three-dimensional Euclidean space is divided by n-1 planes parallel to each face of a regular tetrahedron with edge length n, dividing the edges into unit segments. A364401

a(n) = 2·prime(n)² - prime(n+1)². A64051