Properties of the Number 913

Nine Hundred Thirteen

Basics

Value: 912 → 913 → 914

Parity: odd

Prime: No

Previous Prime: 911

Next Prime: 919

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 11 × 83

Divisors: 1, 11, 83, 913

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110010001

Octal: 1621

Duodecimal: 641

Hexadecimal: 391

Square: 833569

Square Root: 30.215889859476256

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

Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity). A6753

Start with 1 and repeatedly reverse the decimal digits and add 4 to get the next term. A117828

Number of (w,x,y) such that w,x,y are all in {0,...,n} and |w-x| = |x-y|. A212959

Number of partitions of n with some part repeated. A47967

Numbers that are the sum of 4 nonzero 4th powers. A3338

Number of subsets of {1..n} (including empty set) such that the pairwise sums of distinct elements are all distinct. A196723

Integers of the form m*(m + 6)/7. A274978

Lunar primes (formerly called dismal primes) (cf. A087062). A87097

Number of partitions of n such that the successive differences of consecutive parts are strictly increasing. A240027

Numbers k with the property that the sum of the digits of k is a substring of k. A52018