Properties of the Number 34280

Thirty-Four Thousand Two Hundred Eighty

Basics

Value: 34279 → 34280 → 34281

Parity: even

Prime: No

Previous Prime: 34273

Next Prime: 34283

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 × 857

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 857, 1714

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000010111101000

Octal: 102750

Duodecimal: 17A08

Hexadecimal: 85e8

Square: 1175118400

Square Root: 185.14858897652988

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

Denominators of continued fraction convergents to sqrt(515). A41985

a(n) = (4·n³ + 6·n² + 8·n + 6)/3. A100504

Irregular triangular array read by rows. Let S_n be the set of labeled graphs G on [n] with 2-colored nodes where black nodes are only connected to white nodes and vice versa. Orient the edges in each such graph G from black to white. T(n,k) is the number of graphs in S_n containing exactly k descents, n>=0, 0<=k<=A002620(n). A381058

Number of binary strings of length n with equal numbers of 00100 and 01010 substrings. A164237

Triangle: No(x, n) = (2·n/x)*No(x, n - 1) + (-n/(n - 2))*No( x, n - 2) + Ceiling[(2*(n - 1)/((n - 2)))*Sin[(n - 1)*π/2]]/x; weighted by 2·x^{n + 1}. A137384

Number of chordless cycles of length >=4 in the n X n camel graph. A362538

Numbers n such that n-1, n and n+1 can be expressed as a sum of 2 squares in at least 2 ways. A91459

Decimal part of a(n)^1/5 starts with a 'nine digits' anagram. A34280