Properties of the Number 63986

Sixty-Three Thousand Nine Hundred Eighty-Six

Basics

Value: 63985 → 63986 → 63987

Parity: even

Prime: No

Previous Prime: 63977

Next Prime: 63997

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 × 23 × 107

Divisors: 1, 2, 13, 23, 26, 46, 107, 214, 299, 598

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 1111100111110010

Octal: 174762

Duodecimal: 31042

Hexadecimal: f9f2

Square: 4094208196

Square Root: 252.95454137057908

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

Number of n X 3 1..2 arrays containing at least one of each value, and all equal values connected. A166761

Integers k such that 10^k + 63 is a prime number. A135115

a(n) = 121·n² - n. A157960

a(n) = 529·n² - 23. A158633

First differences of A139334. A139335

Numbers k such that σ(k) = σ(k+19), where σ(k) is the sum of the divisors of k. A321533

Numbers k that divide ∑_j=1..k A051953(j) where A051953(j) = j - φ(j). Arithmetic mean of first k cototient values is an integer. A63986