Properties of the Number 10261

Ten Thousand Two Hundred Sixty-One

Basics

Value: 10260 → 10261 → 10262

Parity: odd

Prime: No

Previous Prime: 10259

Next Prime: 10267

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 31 × 331

Divisors: 1, 31, 331, 10261

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000010101

Octal: 24025

Duodecimal: 5B31

Hexadecimal: 2815

Square: 105288121

Square Root: 101.29659421717987

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

Fermat pseudoprimes to base 2, also called Sarrus numbers or Poulet numbers. A1567

Euler pseudoprimes: composite numbers n such that 2^(n-1/2) == +-1 (mod n). A6970

Super-Poulet numbers: Poulet numbers whose divisors d all satisfy d∣2^d-2. A50217

Add/multiply sequence, see example. A93361

Fermat pseudoprimes to base 2 with two prime factors. A214305

24-gonal numbers: a(n) = n*(11·n-10). A51876

Strong pseudoprimes to base 4. A20230

Sarrus numbers A001567 that are not Carmichael numbers A002997. A153508

Odd numbers k > 1 such that 2^(k-1/2) == -(2/k) = -A091337(k) (mod k), where (2/k) is the Jacobi (or Kronecker) symbol. A306310

Numbers that are multiple-digit narcissistic numbers in exactly three bases. A256362