Properties of the Number 23561

Twenty-Three Thousand Five Hundred Sixty-One

Basics

Value: 23560 → 23561 → 23562

Parity: odd

Prime: Yes

Previous Prime: 23557

Next Prime: 23563

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 23561

Divisors: 1, 23561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110000001001

Octal: 56011

Duodecimal: 11775

Hexadecimal: 5c09

Square: 555120721

Square Root: 153.4959282847594

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

E.g.f.: ∏_k>=1 (1 + sin(x^k)). A270662

Primes of the form 43·n² - 537·n + 2971 in order of increasing nonnegative values of n. A272285

Primes p such that the number of distinct prime divisors of all composite numbers between p and the next prime is 5. A75585

Shiraishi numbers: a parametrized family of solutions c to the Diophantine equation a³ + b³ + c³ = d³ with d = c+1. A226903

Primes that are palindromic in base 5. A29973

Primes that are a concatenation of 2, 3, 5 and a prime. A101251

a(0) = 13; for n > 0, a(n) is the greatest prime factor of PreviousPrime(a(n-1))*a(n-1)-1 where PreviousPrime(prime(k))=prime(k-1). A31442

Total number of parts in the tails below the Durfee squares of all partitions of n. A114089

Lesser of twin primes p1 such that p1+(p2²-p1²) and p2+(p2²-p1²) are prime numbers. A174922

Primes that remain prime through 3 iterations of function f(x) = 5x + 4. A23284