Properties of the Number 13100

Thirteen Thousand One Hundred

Basics

Value: 13099 → 13100 → 13101

Parity: even

Prime: No

Previous Prime: 13099

Next Prime: 13103

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 ² × 131

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001100101100

Octal: 31454

Duodecimal: 76B8

Hexadecimal: 332c

Square: 171610000

Square Root: 114.45523142259597

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

Multiples of 5 with digit sum 5. A69540

Scaled Chebyshev U-polynomials evaluated at i·sqrt(10)/2. Generalized Fibonacci sequence. A57093

Number of positive solutions to x²+y²+z² <= n². A253663

Numbers n such that p(n),p(n)+6,p(n)+12,p(n)+18 are consecutive primes and p(n)=6·k+1 for some k, where p(n) denotes n-th prime. A90838

The number of odd numbers that require n Collatz (3x+1) iterations to reach 1. A176866

a(2·n) = 10·a(n), a(2·n+1) = a(n) + a(n+1). A178569

Triangle read by rows: T(n,k) is the number of homeomorphically irreducible leaf colored trees with n leaves using exactly k colors. A339780

Non-palindromic numbers n such that n·reverse(n) is a square and n and reverse(n) do not have the same number of digits. A322835

Totally balanced decimal numbers: if we assign the weight w(d) = d-1 to each digit d (i.e., w(0) = -1, w(1) = 0, ..., w(9) = 8) and then read the digits of the term from left to right, the partial sum of the weights is never negative and the total weighted sum is zero. A71154

Indices i where a run of nonzero values starts in A305671. A305672