Properties of the Number 8453

Eight Thousand Four Hundred Fifty-Three

Basics

Value: 8452 → 8453 → 8454

Parity: odd

Prime: No

Previous Prime: 8447

Next Prime: 8461

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 79 × 107

Divisors: 1, 79, 107, 8453

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100000101

Octal: 20405

Duodecimal: 4A85

Hexadecimal: 2105

Square: 71453209

Square Root: 91.94019795497506

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

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 20. A50969

Number of integer partitions of n whose run-lengths are not unimodal. A332281

Operation count to create all permutations of n distinct elements using the "streamlined" version of Knuth's Algorithm L (lexicographic permutation generation). A79755

a(n) = ∑_k=1..n k²*φ(k), where φ is the Euler totient function A000010. A319087

Minimal value of sum(p(i)p(i+1),i=1..n), where p(n+1)=p(1), as p ranges over all permutations of {1,2,...,n}. A110611

Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly two bit positions. A261074

Numbers m such that Stern polynomial B(m,x) has no irreducible polynomial factors that themselves are Stern polynomials. The initial a(1) = 1 is included by convention. A389918

Ulam numbers n such that 3·n is also an Ulam number. A285885

Start of the first run of exactly n integers in A014134. A140867

Partial sums of floor(2ⁿ/31). A178459