Properties of the Number 63869

Sixty-Three Thousand Eight Hundred Sixty-Nine

Basics

Value: 63868 → 63869 → 63870

Parity: odd

Prime: No

Previous Prime: 63863

Next Prime: 63901

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 13 × 17 ³

Divisors: 1, 13, 17, 221, 289, 3757, 4913, 63869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111100101111101

Octal: 174575

Duodecimal: 30B65

Hexadecimal: f97d

Square: 4079249161

Square Root: 252.7231687044146

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

Composite numbers whose exponents in their canonical factorization lie in the geometric progression 1, 3, 9, ... A102838

a(n) is the index where A387090(n) appears in A386482. A386484

A sequence a(n) such that a(n+1)² - a(n)² are perfect squares. A180313

Sum of number of unitary divisors (A034444) from 1 to 10ⁿ. A180361

Numbers k such that sopfr(k) = τ(k)². A305026

a(n) is the (n-1)-st frugal number in base n. A379539

Numbers k such that k | 10^k + 9^k + 8^k + 7^k. A57214

Numbers k such that k | 12^k + 11^k + 10^k + 9^k + 8^k + 7^k + 6^k + 5^k. A57491

Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 110-111-100 pattern in any orientation. A146187

Least k such that σ(k)=mⁿ for some m>1. A63869