Properties of the Number 8261

Eight Thousand Two Hundred Sixty-One

Basics

Value: 8260 → 8261 → 8262

Parity: odd

Prime: No

Previous Prime: 8243

Next Prime: 8263

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 11 × 751

Divisors: 1, 11, 751, 8261

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001000101

Octal: 20105

Duodecimal: 4945

Hexadecimal: 2045

Square: 68244121

Square Root: 90.89004345911603

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

Positive integers n such that 2ⁿ == 2¹¹ (mod n). A15935

Odd integers n such that 2ⁿ == 2¹¹ (mod n). A276971

Cubes (n·n * n) in carryless arithmetic mod 10. A169885

Number of length n - 1 ordered set partitions of {1..n} where no element of any block is greater than any element of a non-adjacent consecutive block. A332724

Number of partitions of n containing m(2) as a part, where m denotes multiplicity. A240487

T(n,n-4), where T is the array in A055830. A55831

Number of almost base-2 palindromic primes (A095743) in range ]2ⁿ,2ⁿ⁺¹]. A95753

Structured disdyakis dodecahedral numbers (vertex structure 7). A100162

Number of series-reduced planted achiral trees with n leaves spanning an initial interval of positive integers. A317100

Gaps of 8 in sequence A038593 (lower terms). A38655