Properties of the Number 11397

Eleven Thousand Three Hundred Ninety-Seven

Basics

Value: 11396 → 11397 → 11398

Parity: odd

Prime: No

Previous Prime: 11393

Next Prime: 11399

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 29 × 131

Divisors: 1, 3, 29, 87, 131, 393, 3799, 11397

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10110010000101

Octal: 26205

Duodecimal: 6719

Hexadecimal: 2c85

Square: 129891609

Square Root: 106.75673280875544

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) is the (n+1)st (n+2)-gonal number. A64808

Second pentagonal numbers with odd index: a(n) = (2·n-1)*(3·n-1). A33568

30-gonal numbers: a(n) = n*(14·n-13). A254474

Positive numbers whose product of digits is 9 times their sum. A62041

a(n) = 8·n² - 4·n - 3. A118057

Left edge of the triangle A045975. A204556

Number of series-reduced powerful rooted trees with n nodes. A318611

Minimal k > n such that (4·k+3·n) * (4·n+3·k) is a square. A83752

a(n) = n*(n + 5)*(n + 7)/6 + 1. A323221

Last term where no prime sums occur in A161190 in a 4-diagonal set of 24 terms. A161193