Properties of the Number 31272

Thirty-One Thousand Two Hundred Seventy-Two

Basics

Value: 31271 → 31272 → 31273

Parity: even

Prime: No

Previous Prime: 31271

Next Prime: 31277

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 1303

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1303, 2606

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101000101000

Octal: 75050

Duodecimal: 16120

Hexadecimal: 7a28

Square: 977937984

Square Root: 176.83890974556476

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 triples (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| <= w+x+y. A213481

Number of n X n symmetric binary matrices containing no more than eight 1s in any 3 X 3 sub-block. A139018

a(n) = ∑_{i=0..floor(n/2)} T(2i,n-2i), array T as in A049735. A49738

prime(n³) - prime(n). A214612

Number of even parts in the partitions of n into 8 parts. A309630

Indices of unique values in A329152. A333268

Position of n-th 2 in A031269. A31272