Properties of the Number 67105

Sixty-Seven Thousand One Hundred Five

Basics

Value: 67104 → 67105 → 67106

Parity: odd

Prime: No

Previous Prime: 67103

Next Prime: 67121

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 13421

Divisors: 1, 5, 13421, 67105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000011000100001

Octal: 203041

Duodecimal: 32A01

Hexadecimal: 10621

Square: 4503081025

Square Root: 259.0463279029448

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) = F(n+1)² + F(n+1)*F(n) - F(n)², where F = A000045. A236428

Row sums of an unsigned characteristic triangle for the Fibonacci numbers. A110035

a(n) = a(n-1) + a(n-3) + a(n-4), with a(0)=a(1)=a(2)=a(3)=1. A126116

Numbers w such that (F(2n+1)², -F(2n)², -w) are primitive solutions of the Diophantine equation 2·x³ + 2·y³ + z³ = 1, where F(n) is the n-th Fibonacci number (A000045). A337928

6th-largest term in n-th row of Stern's diatomic triangle A002487. A244476

a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 1, a(2) = 0, a(3) = 1. A295683

Number of strings of numbers x(i=1..n) in 0..7 with sum i·x(i) equal to n·7. A184701

Number of strings of numbers x(i=1..9) in 0..n with sum i·x(i) equal to n·9. A184709

a(n) = ( a(n-1) * a(n-3) + a(n-2) ) / a(n-4), a(1) = a(2) = 1, a(3) = -1, a(4) = -4. A206282

T(n,k) is the number of strings of numbers x(i=1..n) in 0..k with sum i·x(i) equal to k·n. A184703