Properties of the Number 31266

Thirty-One Thousand Two Hundred Sixty-Six

Basics

Value: 31265 → 31266 → 31267

Parity: even

Prime: No

Previous Prime: 31259

Next Prime: 31267

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 193

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101000100010

Octal: 75042

Duodecimal: 16116

Hexadecimal: 7a22

Square: 977562756

Square Root: 176.8219443394965

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 ways to write n as an ordered sum of 9 nonzero triangular numbers. A340954

Numbers that are the sum of six fourth powers in five or more ways. A345562

Numbers that are the sum of six fourth powers in exactly five ways. A345817

Number of integer partitions of n where the median is twice the minimum. A361861

a(n) = 2·a(n-1) + 2·a(n-2) - 3·a(n-3), where a(0) = 2, a(1) = 4, a(2) = 8. A288309

a(n) = 492·2ⁿ - 222. A278130

a(0)=0; for n>0, a(n) is the number of rooted 4-regular maps on the torus having n vertices. A322914

Primitive practical numbers of the form 2·3ⁱ * prime(k). A367481

a(n)=(# 1's)-(# 2's) in first n terms of A031253. A31266