Properties of the Number 76105

Seventy-Six Thousand One Hundred Five

Basics

Value: 76104 → 76105 → 76106

Parity: odd

Prime: No

Previous Prime: 76103

Next Prime: 76123

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 31 × 491

Divisors: 1, 5, 31, 155, 491, 2455, 15221, 76105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010100101001001

Octal: 224511

Duodecimal: 38061

Hexadecimal: 12949

Square: 5791971025

Square Root: 275.87134682674093

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

Sums of positive coefficients in generalized Chebyshev polynomials of the first kind, for a family of 4 data. A301417

Least m such that σ-Composite-Harmonic series ∑_k=1..m 1/A000203(A002808(k)) >= n. A74469

a(n) = 3 + floor((2 + ∑_j=1..n-1 a(j))/3). A120150

a(1)=1 (first row) and then the n-th row of this triangle contains the least set of n unused natural numbers whose sum is a multiple of the sum of the previous row. A76105

Number of length 5+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250422