Properties of the Number 3172

Three Thousand One Hundred Seventy-Two

Basics

Value: 3171 → 3172 → 3173

Parity: even

Prime: No

Previous Prime: 3169

Next Prime: 3181

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 × 61

Divisors: 1, 2, 4, 13, 26, 52, 61, 122, 244, 793

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001100100

Octal: 6144

Duodecimal: 1A04

Hexadecimal: c64

Square: 10061584

Square Root: 56.32051136131489

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

a(n) = ∑_d∣n (-1)^d-1*d². A321543

Numbers k for which 10k+1, 10k+3, 10k+7 and 10k+9 are primes. A7811

Sum of squares of odd divisors of n. A50999

Numbers that are the sum of 8 positive 6th powers. A3364

Numbers n such that Bernoulli number B_n has denominator 1590. A272140

Super-3 Numbers (3n³ contains substring '333' in its decimal expansion). A14569

Main diagonal of A277320: a(n) = A048720(n, A065621(n)). A277699

Sum of the squares of the squarefree divisors of n. A351265

a(n) = 2ⁿ - binomial(n, floor(n/2)). A45621

Sums of the antidiagonals of the table of k-almost primes (A078840). A78842