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Properties of the Number 31007

Thirty-One Thousand Seven

Basics

Value: 31006 → 31007 → 31008

Parity: odd

Prime: No

Previous Prime: 30983

Next Prime: 31013

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 101 × 307

Divisors: 1, 101, 307, 31007

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100100011111

Octal: 74437

Duodecimal: 15B3B

Hexadecimal: 791f

Square: 961434049

Square Root: 176.08804615873277

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

Triangle read by rows: T(n,k) is the number of n edge non-orientable genus k maps. A380235
a(n) = number of non-orientable genus 4 maps with n edges. A348805
Numbers m such that Stern polynomial B(m,x) has no irreducible polynomial factors that themselves are Stern polynomials. The initial a(1) = 1 is included by convention. A389918
Binomial transform of expansion of exp(cosh(x)), A005046. A81557
Composite numbers n such that every divisor of n greater than one contains the digit 0. A243819
Composite numbers n such that the distinct digits in n and the distinct digits in the proper divisors of n are the same. A237713
Expansion of e.g.f. cos(tan(tan(x))), even terms only. A9068
Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 24 (most significant digit on right). A61977
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 475", based on the 5-celled von Neumann neighborhood. A272449
Numbers k such that the set of all the decimal digits of k is the same as the set of all the decimal digits of the proper divisors of k. A282755