Properties of the Number 10857

Ten Thousand Eight Hundred Fifty-Seven

Basics

Value: 10856 → 10857 → 10858

Parity: odd

Prime: No

Previous Prime: 10853

Next Prime: 10859

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 11 × 47

Divisors: 1, 3, 7, 11, 21, 33, 47, 77, 141, 231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001101001

Octal: 25151

Duodecimal: 6349

Hexadecimal: 2a69

Square: 117874449

Square Root: 104.19692893746917

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

Number T(n,k) of undirected labeled graphs on n nodes with exactly k cycle graphs as connected components; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A215771

T(n,k)=Number of nXk binary arrays without the pattern 0 0 diagonally or vertically. A188706

Numbers n such that sopf(n) = sopf(n+1) - sopf(n-1), where sopf(x) = sum of the distinct prime factors of x. A76525

Odd squarefree numbers n such that the cyclotomic polynomial φ(n,x) has height 5. A152943

a(n) = n*(n+1)*(n²+5·n+18)/24. A51744

Fibonacci sequence beginning 0, 11. A22345

a(n) = sum of n Fibonacci numbers starting from F(n). A96140

Let T be the sequence Fibonacci(2n+1), n>=0 (cf. A001519); sequence lists the differences T(j)-T(i) for i<j. A169691

Number of ordered sextuples of distinct pairwise coprime positive integers with largest element n. A186977

Numbers which are the product of two S-primes (A057948) in exactly three ways. A343828