Properties of the Number 31674

Thirty-One Thousand Six Hundred Seventy-Four

Basics

Value: 31673 → 31674 → 31675

Parity: even

Prime: No

Previous Prime: 31667

Next Prime: 31687

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5279

Divisors: 1, 2, 3, 6, 5279, 10558, 15837, 31674

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101110111010

Octal: 75672

Duodecimal: 163B6

Hexadecimal: 7bba

Square: 1003242276

Square Root: 177.9719078956002

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

Values of the difference d for 6 primes in geometric-arithmetic progression with the minimal sequence {7·7^j + j·d}, j = 0 to 5. A209205

Antidiagonal sums of triangular array T: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j-1,k) for 2 <= k <= j. A131025

Number of identity trees with 3-colored nodes. A38080

Denominators of continued fraction convergents to sqrt(524). A42003

a(n) = ∑_k=0..2·n (k+1)*T(n, 2·n-k), T given by A027960. A27982

a(n) = floor(7⁷/n). A57069

If A is a set of integers, the (2-fold) sumset consists of all the numbers which can be written as the sum of two (not necessarily distinct) elements in A. a(n) is the number of subsets of [1,2n] which are sumsets for some set of positive integers. A120411

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 0, -1), (0, 1, 0), (1, 0, 0)}. A149935

Numbers k such that the decimal expansion of k! begins with k. A33147

Numbers m > 1 such that the fractional part of log₁₀(m!) is less than at any smaller m > 1. A249829