Properties of the Number 31073

Thirty-One Thousand Seventy-Three

Basics

Value: 31072 → 31073 → 31074

Parity: odd

Prime: No

Previous Prime: 31069

Next Prime: 31079

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 7 × 23 × 193

Divisors: 1, 7, 23, 161, 193, 1351, 4439, 31073

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100101100001

Octal: 74541

Duodecimal: 15B95

Hexadecimal: 7961

Square: 965531329

Square Root: 176.2753527864857

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

T(n,k)=Number of nXk 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X(k+1) binary array having a sum of one, with rows and columns of the latter in lexicographically nondecreasing order. A227385

Numbers k for which rank of the elliptic curve y²=x³+k·x is 4. A309031

Number of (w,x,y) with all terms in {0,...,n} and w<x+y and x<=y. A212982

Total sum of parts of multiplicity 7 in all partitions of n. A222735

Expansion of 1/((1-x)(1-4x)(1-6x)(1-9x)). A21824

Number of nX4 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X5 binary array having a sum of one, with rows and columns of the latter in lexicographically nondecreasing order. A227383

Position of n-th 5 in A031067. A31073