Properties of the Number -262139

Two Hundred Sixty-Two Thousand One Hundred Thirty-Nine

Basics

Value: -262140 → -262139 → -262138

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 262139

Divisors: 1, 262139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111111111111011

Octal: -777773

Duodecimal: -10784B

Hexadecimal: -3fffb

Square: 68716855321

Square Root: 511.9951171642167

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)=-a(n-1)+4·a(n-2)+4·a(n-3). A136249

Numerators of 1/2 + sum(χ(p)^{4·n / (p-1})/p) where the sum is over primes p of the form 4k+1 such that p-1 divides 4·n and the numbers χ(p) are given by A002172. A274398

Largest prime <= 2ⁿ. A14234

a(n) = 2ⁿ - 5. A168616

Length of the longest perfect parity pattern with n columns. A118141

Largest prime factor of the odd Catalan number A038003(n). A120274

Numbers n such that n and n+5 are prime powers. A164573

Primes of the form 2^t-2^k-1, k>=1. A181741

Primes of the form 2ⁿ-5. A156560

a(n) is the smallest prime p>2 such that there are 2·n or 2·n+1 positive integers m for which the exponents of 2 and p in the prime power factorization of m! are both powers of 2. A177378