Properties of the Number 1469

One Thousand Four Hundred Sixty-Nine

Basics

Value: 1468 → 1469 → 1470

Parity: odd

Prime: No

Previous Prime: 1459

Next Prime: 1471

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 113

Divisors: 1, 13, 113, 1469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10110111101

Octal: 2675

Duodecimal: A25

Hexadecimal: 5bd

Square: 2157961

Square Root: 38.3275357934736

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

Octahedral numbers: a(n) = n*(2·n² + 1)/3. A5900

a(n) = (2·n - 1)*(8·n² - 8·n + 3)/3. A63496

Expansion of (1+x²)/((1-x)²*(1-x²)²). A5993

Numbers whose sum of digits is 20. A235229

Number of partitions of n into at most 5 parts. A1401

A000120-perfect numbers. A175522

Number of partitions of n in which the greatest part is 5. A26811

Square array, read by ascending antidiagonals, of the crystal ball sequences for the root lattices of type C_n. A142992

Square array read by diagonals: T(n,k) = number of arrays of n integers in -k..k with sum equal to 0. A201552

Number of "ON" cells at n-th stage in 2-dimensional cellular automaton (see Comments for precise definition). A160720