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Properties of the Number 23115

Twenty-Three Thousand One Hundred Fifteen

Basics

Value: 23114 → 23115 → 23116

Parity: odd

Prime: No

Previous Prime: 23099

Next Prime: 23117

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 23 × 67

Divisors: 1, 3, 5, 15, 23, 67, 69, 115, 201, 335

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101001001011

Octal: 55113

Duodecimal: 11463

Hexadecimal: 5a4b

Square: 534303225

Square Root: 152.03617990465295

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

a(n) is the concatenation of n and 5n. A19553
Number of partitions p of n such that (number of distinct parts of p) < max(p) - min(p). A239954
Expansion of 1/(1 - ∑k>=0 x2·k*(k+1+1)). A282504
Numbers n with property that for each single digit d of n, we can also see the decimal expansion of the d-th prime as a substring of n. Also n may not contain any zero digits. A135015
Numbers k such that the decimal part of k1/10 starts with a 'nine digits' anagram. A34285
Numbers n such that φ((prime(n)+1)/2)=σ(n). A68473
Number of 4X2 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2·n2 (number of collections of 4 zero-sum 2-vectors with total modulus squared not more than 2·n2, ignoring vector and component permutations). A192703
Triangle read by rows: a(1,1)=1. a(m,n) = a(m-1,n) + (sum of all terms in row m-1), for n<m. a(m,m) = sum of all terms in row m-1. A159930
Half the number of nXnXn triangular binary arrays with no element equal to a strict majority of its neighbors. A183283
Least number m such that A323835(m) = n. A306304