Properties of the Number 69472

Sixty-Nine Thousand Four Hundred Seventy-Two

Basics

Value: 69471 → 69472 → 69473

Parity: even

Prime: No

Previous Prime: 69467

Next Prime: 69473

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 13 × 167

Divisors: 1, 2, 4, 8, 13, 16, 26, 32, 52, 104

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000111101100000

Octal: 207540

Duodecimal: 34254

Hexadecimal: 10f60

Square: 4826358784

Square Root: 263.5754161525691

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

Triangle read by rows: T(n,k) = number of arrangements of k non-attacking bishops on the white squares of an n X n board with every square controlled by at least one bishop (1<=k<n). A288182

Heptagonal numbers (A000566) in which parity of digits alternates. A297646

Structured hexagonal anti-prism numbers. A100183

Heptagonal numbers (A000566) with prime indices (A000040). A346494

Number of (n+2)X(n+2) 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly three ways, and new values 0..2 introduced in row major order. A204276

Smallest twin prime in a sequence of exactly n disjoint twin pairs, sandwiched between non-twins. A69472