Properties of the Number 42795

Forty-Two Thousand Seven Hundred Ninety-Five

Basics

Value: 42794 → 42795 → 42796

Parity: odd

Prime: No

Previous Prime: 42793

Next Prime: 42797

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 317

Divisors: 1, 3, 5, 9, 15, 27, 45, 135, 317, 951

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011100101011

Octal: 123453

Duodecimal: 20923

Hexadecimal: a72b

Square: 1831412025

Square Root: 206.86952409671173

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

Row sums in triangle A081994. A81997

a(n) = floor[geometric mean of first n factorials]. A90901

Number of Carlitz compositions of n with exactly nine descents. A241699

Numerators of coefficients in series expansion of -512*(1+x)³/(x-8)³. A66414

Row sums of triangle A101224, which is related to the Flavius sieve (A000960). A101105

Exponential Riordan array (e^mx,x·A000108(x)), m=3. A185948

Number of 2X4 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2·n² (number of collections of 2 zero-sum 4-vectors with total modulus squared not more than 2·n², ignoring vector and component permutations). A192699

First occurrence of 2·n in A035096. A247234

a(n) = number of (0,1) matrices of size n X n whose determinants are k, where -L <= k <= +L and L = A003432(n). A94813

Positive numbers k such that (10^k+2 - 49) / 3 is prime. A264937