Properties of the Number 23620

Twenty-Three Thousand Six Hundred Twenty

Basics

Value: 23619 → 23620 → 23621

Parity: even

Prime: No

Previous Prime: 23609

Next Prime: 23623

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 1181

Divisors: 1, 2, 4, 5, 10, 20, 1181, 2362, 4724, 5905

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101110001000100

Octal: 56104

Duodecimal: 11804

Hexadecimal: 5c44

Square: 557904400

Square Root: 153.68799562750502

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

Numbers k such that k² divides 3^k-1. A127103

a(n)² is the least square base-n doublet (base-n representation is the concatenation of 2 identical strings). A20339

Numbers k such that 3^k mod k = 3^k mod k². A125774

Number of n-digit prime quadruplets. A120120

a(n) = ∑_y=1..n ∑_x=1..n floor((x^k + y^k)^1/k) with k = 3. A211792

Triangle read by rows: T(n,k) = 4·T(n-1,k-1) + T(n,k-1) with T(2·m,0) = 0 and T(2·m+1,0) = 5^m. A292466

a(n) is the nearest integer to the area of a triangle with sides prime(n), prime(n+1), prime(n+2). A338267

Total number of 1's in the binary expansion of parts in all partitions of n into distinct parts. A347060

Number of nondecreasing strings of numbers x(i=1..6) in -n..n with sum x(i)³ equal to 0. A188280

Numbers equal to a permutation (or rearrangement) of the digits of the sum of their proper divisors (excluding the proper divisor 1). Rearrangements which cause leading zeros are excluded. A86248