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Properties of the Number 7392

Seven Thousand Three Hundred Ninety-Two

Basics

Value: 7391 → 7392 → 7393

Parity: even

Prime: No

Previous Prime: 7369

Next Prime: 7393

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 5 × 3 × 7 × 11

Divisors: 1, 2, 3, 4, 6, 7, 8, 11, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1110011100000

Octal: 16340

Duodecimal: 4340

Hexadecimal: 1ce0

Square: 54641664

Square Root: 85.97674104081871

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 k divides the (left) concatenation of all numbers <= k written in base 25 (most significant digit on right and removing all least significant zeros before concatenation). A29542
Denominators of Cauchy numbers of first type. A6233
Triangle read by rows: T(n,k) is the number of permutations of 2 indistinguishable copies of 1..n with exactly k local maxima. A334774
Denominators of Cauchy numbers of second type (= Bernoulli numbers Bn(n)). A2790
Coordination sequence for 4-dimensional cubic lattice (points on surface of 4-dimensional cross-polytope). A8412
Numbers whose prime indices and prime signature have the same mean. A359903
Triangle of coefficients of Chebyshev's U(n,2·x-1) polynomials (exponents of·in decreasing order). A53125
a(n) is the smallest positive integer such that a(n)*(1n + 2n + ... + xn) is a polynomial in·with integer coefficients. A64538
Stirling2 triangle with scaled diagonals (powers of 4). A75499
Number of partitions of n having no doubletons. By a doubleton in a partition we mean an occurrence of a part exactly twice (the partition [4,(3,3),2,2,2,(1,1)] of 18 has two doubletons, shown between parentheses). A116645