Properties of the Number 80469

Eighty Thousand Four Hundred Sixty-Nine

Basics

Value: 80468 → 80469 → 80470

Parity: odd

Prime: No

Previous Prime: 80449

Next Prime: 80471

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 8941

Divisors: 1, 3, 9, 8941, 26823, 80469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101001010101

Octal: 235125

Duodecimal: 3A699

Hexadecimal: 13a55

Square: 6475259961

Square Root: 283.6705836000624

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) = ∑_k=1..n binomial(floor(n/k)+3,4). A365409

Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1100-1111-0010 pattern in any orientation. A146701

Composite numbers k such that binomial(3·k, k) == 3^k (mod k). A80469