Properties of the Number 34380

Thirty-Four Thousand Three Hundred Eighty

Basics

Value: 34379 → 34380 → 34381

Parity: even

Prime: No

Previous Prime: 34369

Next Prime: 34381

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 191

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000011001001100

Octal: 103114

Duodecimal: 17A90

Hexadecimal: 864c

Square: 1181984400

Square Root: 185.41844568434934

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 R, read by rows, where column k of R equals column 0 of P^2k+1 where P=A135880. A135894

Numbers k such that the sum of the divisors of 2·k² is a square. A97023

Triangle, read by rows, equal to the matrix cube of triangle P = A135880. A135888

Number of 2-cycles in all involutions of {1,2,...,n}. A162970

Triangle T(n, k) = binomial(n, k) * A000085(n-k), 0 <= k <= n. A111062

Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms at positions [(m+3)²/4 - 2] for m>=0 and then taking partial sums, starting with all 1's in row 0. A135878

Triangle, read by rows equal to the matrix product R^-1·Q, where Q = A135885 and R = A135894; R^-1·Q equals triangle R shifted down one row. A135900

Column 0 of triangle A135888, which equals the matrix cube of triangle A135880; also equals column 1 of triangle A135894. A135889

a(0) = 0, a(1) = 1, a(n+1) = (2·n²+2·n+21)*a(n) - n⁴*a(n-1). A142998

Number of compositions of n into parts with distinct multiplicities and with exactly nine parts. A321779