Properties of the Number 2345

Two Thousand Three Hundred Forty-Five

Basics

Value: 2344 → 2345 → 2346

Parity: odd

Prime: No

Previous Prime: 2341

Next Prime: 2347

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 67

Divisors: 1, 5, 7, 35, 67, 335, 469, 2345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100101001

Octal: 4451

Duodecimal: 1435

Hexadecimal: 929

Square: 5499025

Square Root: 48.425200051213004

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 rucksack partitions of n: every consecutive constant subsequence has a different sum. A353864

a(n) = n*(2·n-3). A14107

Number of partitions of n for which the number of odd parts is equal to the positive alternating sum of the parts. A277103

Number of T₀ integer partitions of n. A319564

Composite numbers such that the square mean of their prime factors is a nonprime integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c²+d²)/2)). A134602

Numbers k such that k and k+1 are both primorial base Niven numbers (A333426). A333427

Number of twice-partitions of n into partitions with weakly decreasing lengths. A358831

Seaweeds(n): number of n-step self-avoiding walks on upper two quadrants grid starting at origin. A116903

Concatenation of the numbers from 2 to n. A262571

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1. A264379