Properties of the Number 67115

Sixty-Seven Thousand One Hundred Fifteen

Basics

Value: 67114 → 67115 → 67116

Parity: odd

Prime: No

Previous Prime: 67103

Next Prime: 67121

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 31 × 433

Divisors: 1, 5, 31, 155, 433, 2165, 13423, 67115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10000011000101011

Octal: 203053

Duodecimal: 32A0B

Hexadecimal: 1062b

Square: 4504423225

Square Root: 259.06562875070864

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

Minimal positive solution a(n) of Diophantine equation a(n)² - a(n)*b(n) - G(n)*b(n)² = +1 or -1 with G(n) := A078358(n). The companion sequence is b(n)=A077058(n). A77057

C(2·n+4,4)-C(2·n,4). A85474

Expansion of F(x) where F(x) = 1 + x / (1 - x·F(x) - x² * F(x²) ). A238428

Partial sums of A101351. A101352

Sum of the squares of the first n nonsquarefree numbers (A013929). A111732

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, 0)}. A148097

Let N = 1357911131517192123252729... = concatenation of odd numbers. Then a(n) = sum of first n digits of N. A67115