Properties of the Number -1238

Two Hundred Thirty-Eight

Basics

Value: -1239 → -1238 → -1237

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 619

Divisors: 1, 2, 619, 1238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10011010110

Octal: -2326

Duodecimal: -872

Hexadecimal: -4d6

Square: 1532644

Square Root: 35.185224171518364

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

Expansion of 1/(1 - x*∏_k>=1 1/(1 + x^k)). A299208

Expansion of e.g.f.: tanh(x)*cos(log(1+x)). A9824

Number of partitions of n that do not contain 1 as a part. A2865

Number of partitions p of n such that median(p) = mean(p). A240219

Number of rooted ternary trees with n nodes; number of n-carbon alkyl radicals C(n)H(2n+1) ignoring stereoisomers. A598

Number of partitions of n that do not contain parts less than the smallest part of the partitions of n-1. A187219

Number of positive subset sums of strict integer partitions of n. A284640

Numbers that are the sum of 3 nonzero squares in 10 or more ways. A25338

Number of partitions of n where every part appears more than two times. A100405

Number of integer partitions of n for which every restriction to a subinterval has a different sum. A325768