Properties of the Number 63791

Sixty-Three Thousand Seven Hundred Ninety-One

Basics

Value: 63790 → 63791 → 63792

Parity: odd

Prime: No

Previous Prime: 63781

Next Prime: 63793

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 13 × 701

Divisors: 1, 7, 13, 91, 701, 4907, 9113, 63791

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100100101111

Octal: 174457

Duodecimal: 30ABB

Hexadecimal: f92f

Square: 4069291681

Square Root: 252.5688025073564

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) is the first composite number having the same base-n digits as its prime factors (with multiplicity), excluding zero digits (or 0 if no such composite number exists). A278981

a(n) = ∑_{1 <= x₁, x₂, x₃ <= n} ( gcd(x₁, n)/gcd(x₁, x₂, x₃, n) )². A371492

Sum of numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly two ways. A76455

a(n) is the smallest composite number having the same base-n digits (both type and quantity) as its prime factors (with multiplicity). A281336

Triangle read by rows: coefficients of chromatic polynomials for the poset of Dyck paths ordered by inclusion. A141622

Numbers k such that 2^k+1 - k - 2 is prime. A63791

Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s. A297716