Properties of the Number 23631

Twenty-Three Thousand Six Hundred Thirty-One

Basics

Value: 23630 → 23631 → 23632

Parity: odd

Prime: No

Previous Prime: 23629

Next Prime: 23633

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7877

Divisors: 1, 3, 7877, 23631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110001001111

Octal: 56117

Duodecimal: 11813

Hexadecimal: 5c4f

Square: 558424161

Square Root: 153.7237782517721

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

Triangle read by rows: T(n, k) = t(n-k, k), where t(0,0) = 1, t(n,m) = 0 if n < 0 or m < 0, else t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), and f(n) = 4·n + 3. A257621

Number of compositions of n containing at least one part p of multiplicity p. A336273

Number of squares after the n-th generation in a symmetric (with 45-degree angles) non-overlapping Pythagoras tree. A276647

Lexicographically earliest sequence of distinct nonprime terms that turns into a sequence of distinct prime numbers when the "slide the digits, don't touch the commas" operation is applied (see the Comments and Example sections). A330367

Number of Carmichael numbers (A002997) less than 2ⁿ. A225005

Expansion of 1/((1-x)*((1-5·x)²)*(1-8·x)). A229026

a(n) = round((5ⁿ)*4 / 3ⁿ). A228079

Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299245

a(n) = smallest prime p such that p is the home prime (cf. A037274) of exactly n natural numbers. A118756

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299249