Properties of the Number 68264

Sixty-Eight Thousand Two Hundred Sixty-Four

Basics

Value: 68263 → 68264 → 68265

Parity: even

Prime: No

Previous Prime: 68261

Next Prime: 68279

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 7 × 23 × 53

Divisors: 1, 2, 4, 7, 8, 14, 23, 28, 46, 53

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101010101000

Octal: 205250

Duodecimal: 33608

Hexadecimal: 10aa8

Square: 4659973696

Square Root: 261.27380274340555

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) = (2·n - 1)*(11·n² - 11·n + 6)/6. A63492

a(n) = ∑_k=0..n (-1)^n-k*k·Stirling2(n,k). A101851

Number of ways to place m nonattacking queens on an m X n board, 1 <= m <= n (triangular array). A269133

Numbers k such that k, k+1 and k+2 have exactly 4 distinct prime factors. A364309

Numbers k such that sopf(k) + 1 = sopf(k+1), where sopf(k) = A008472(k). A64111

Structured pentagonal hexacontahedral numbers (vertex structure 16). A100169

The Wiener index of a chain of n squares joined at vertices (i.e., joined like <><><>...<>; here <> is a square!). A143943

Members of a pair (m,k) such that σ(m) = σ(k) = σ(m+k), m < k where σ = A000203. A239436

Numbers k such that A008475(k)+1 = A008475(k+1). A333801

Number of binary strings of length n with equal numbers of 00100 and 10011 substrings. A164241