Properties of the Number 6128

Six Thousand One Hundred Twenty-Eight

Basics

Value: 6127 → 6128 → 6129

Parity: even

Prime: No

Previous Prime: 6121

Next Prime: 6131

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 383

Divisors: 1, 2, 4, 8, 16, 383, 766, 1532, 3064, 6128

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1011111110000

Octal: 13760

Duodecimal: 3668

Hexadecimal: 17f0

Square: 37552384

Square Root: 78.2815431631237

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 non-condensed integer partitions of n, or partitions where it is not possible to choose a different divisor of each part. A370320

Numbers n such that Bernoulli number B_n has denominator 510. A271634

Number of permutations of [n] with no 3-term arithmetic progression. A3407

Number A(n,k) of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A262124

Betrothed (or quasi-amicable) numbers. A5276

Number of partitions p of n such that (maximal multiplicity of the parts of p) = (maximal part of p). A240312

Least non-balanced x (i.e., not in A020492) such that σ(2n-1,x)/φ(x) is an integer. A78539

For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u·x+v·y with u,v minimal; a(n) = n⁴*s, where s is the population variance of the values of v. A345688

The larger of a betrothed pair. A3503

Numbers that are the sum of five third powers in exactly seven ways. A345181