Properties of the Number 4861

Four Thousand Eight Hundred Sixty-One

Basics

Value: 4860 → 4861 → 4862

Parity: odd

Prime: Yes

Previous Prime: 4831

Next Prime: 4871

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 4861

Divisors: 1, 4861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011111101

Octal: 11375

Duodecimal: 2991

Hexadecimal: 12fd

Square: 23629321

Square Root: 69.72087205421343

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

Catalan numbers - 1. A1453

Numerator of 1/n + 2/(n-1) + 3/(n-2) + ... + (n-1)/2 + n. A27612

Primes from merging of 4 successive digits in decimal expansion of π. A104824

First member of a prime triple in a 2p-1 progression. A57326

Lower prime of a difference of 10 between consecutive primes. A31928

Triangle of numbers T(n,k) = number of permutations of (1,2,...,n) with longest increasing subsequence of length k (1<=k<=n). A47874

Primes of the form x²+101y². A139489

Numbers k such that (12^k + 5^k)/17 is prime. A128341

Number of ways to split an integer partition of n into consecutive subsequences with equal sums. A317715

X-toothpick sequence on Z³ lattice (see Comments for precise definition). A160170