Properties of the Number 23077

Twenty-Three Thousand Seventy-Seven

Basics

Value: 23076 → 23077 → 23078

Parity: odd

Prime: No

Previous Prime: 23071

Next Prime: 23081

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 47 × 491

Divisors: 1, 47, 491, 23077

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101000100101

Octal: 55045

Duodecimal: 11431

Hexadecimal: 5a25

Square: 532547929

Square Root: 151.91115824718077

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1. A255027

Numbers that reach the fixed point 89 under iteration of f(x) = reverse(x) - maxdigit(x). A97155

a(n) = ∑_{k + l·m <= n} (k + l·m), with 0 <= k,l,m <= n. A106846

a(n) is the number of regions formed by n-secting the angles of a nonagon (enneagon). A335781

Numbers m such that numbers m, m + 1, m + 2 and m + 3 have k, 2k, 3k and 4k divisors respectively. A340157

G.f. A(x) satisfies A(x) = 1 / (1 - x·A(x⁴)). A367794

Odd composite numbers n, such that n, n+d, n·d and n/d are all odious (A000069) for every divisor d of n. A231558

Decimal part of a(n)^1/5 starts with a 'nine digits' anagram. A34280

Number of (n+2) X (2+2) 0..1 arrays with no 3·3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1. A255021

Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1. A255026