Properties of the Number 23961

Twenty-Three Thousand Nine Hundred Sixty-One

Basics

Value: 23960 → 23961 → 23962

Parity: odd

Prime: No

Previous Prime: 23957

Next Prime: 23971

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 ² × 163

Divisors: 1, 3, 7, 21, 49, 147, 163, 489, 1141, 3423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110110011001

Octal: 56631

Duodecimal: 11A49

Hexadecimal: 5d99

Square: 574129521

Square Root: 154.79341071247185

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

Number of partitions of n into parts not greater than sqrt(n). A97356

G.f.: ∑_n>=0 (n+1)*(n+2)/2·xⁿ * (1 + xⁿ)ⁿ. A326003

Numbers m such that 20·m + 1, 80·m + 1, 100·m + 1, and 200·m + 1 are all primes. A372186

Matrix square, T(n,k), of Parker's partition triangle A047812, read by rows (n >= 1 and 0 <= k <= n-1). A128567

Second elementary symmetric function of the first n terms of (1,2,2,3,3,4,4,5,5...). A203298

Number of induced cycles in the 4 X n grid graph. A360197

Number of spiny partitions with exactly n parts. A383895

Expansion of 1/((1-2·x)*(1-5·x)*(1-10·x)). A16299

Difference between A007678(2n)/(2n) and (n-1)². A85611

Number of 2 X 2 matrices with all elements in {-n,..,0,..,n} with permanent = determinant·n. A280407