Properties of the Number 10561

Ten Thousand Five Hundred Sixty-One

Basics

Value: 10560 → 10561 → 10562

Parity: odd

Prime: No

Previous Prime: 10559

Next Prime: 10567

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 59 × 179

Divisors: 1, 59, 179, 10561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101000001

Octal: 24501

Duodecimal: 6141

Hexadecimal: 2941

Square: 111534721

Square Root: 102.76672613253767

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

Centered 20-gonal (or icosagonal) numbers. A69133

Number of subsets of {1..n} whose harmonic mean is an integer. A339453

a(n) = 5·n² + 20·n + 1. A162316

Number of partitions of n whose greatest part is a multiple of 5. A363047

Triangle read by rows: T(n,k) is the number of stacks of n pancakes requiring k = 0, ..., A058986(n) flips to sort. A92113

a(n) = 12·n² - 8·n + 1. A185212

Numbers n such that A229964(n) = 3. A229966

Binomial transform of [1, 3, 7, 0, 0, 0, ...]. A140063

Where records occur in A039996. A178597

Numbers missing from A001033 despite satisfying the necessary congruence conditions (see comments). A274470